function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}



function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}
/**
* get element by id
*/
function getElemById(id){
    if( !emptyString.test(id) ) 
        return (dom)?document.getElementById(id) : ie? eval('document.all.'+id) : eval('document.'+id);
}/**
* get element by id X(cross) object
*/
function getElemByIdX(id){
    if( !emptyString.test(id) && document.getElementById(id) )
        return (dom)?document.getElementById(id).style : ie? eval('document.all.'+id) : eval('document.'+id);
}/**
* makes a hidden element visible
*/
function showElement( elmID ){
  if( ie )
  {
    for( i = 0; i < document.all.tags( elmID ).length; i++ )
    {
      obj = document.all.tags( elmID )[i];
      
      if( !obj || !obj.offsetParent )
      {
        continue;
      }
    
      obj.style.visibility = "";
    }
  }
}function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}


/**
* hides an element given and id and the tagName of the element to hide
*/
function hideElement( elmID, overDiv ){
  if( ie )
  {
    for( i = 0; i < document.all.tags( elmID ).length; i++ )
    {
      obj = document.all.tags( elmID )[i];
      if( !obj || !obj.offsetParent )
      {
        continue;
      }
  
      // Find the element's offsetTop and offsetLeft relative to the BODY tag.
      //objLeft   = obj.offsetLeft;
      //objTop    = obj.offsetTop;
      //objParent = obj.offsetParent;
      
      //while( objParent.tagName.toUpperCase() != "BODY" && objParent.tagName.toUpperCase() != "HTML")
      //{
      //  objLeft  += objParent.offsetLeft;
      //  objTop   += objParent.offsetTop;
      //  objParent = objParent.offsetParent;
      //}
      
	  var ret = findPos(obj);
      
      objLeft = ret[0];      
      objTop = ret[1];  
      objHeight = obj.offsetHeight;      
      objWidth = obj.offsetWidth;


/*seperator="~~";
info  = '';
info += 'objId:'+obj.id+seperator;
info += 'objLeft:'+ret[0]+seperator;
info += 'objTop:'+ret[1]+seperator; 
info += 'objHeight:'+obj.offsetHeight+seperator;            
info += 'objWidth:'+obj.offsetWidth+seperator;
info += 'overDiv.offsetLeft:'+overDiv.offsetLeft+seperator;
info += 'overDiv.offsetTop:'+overDiv.offsetTop+seperator;
info += 'overDiv.offsetWidth:'+overDiv.offsetWidth+seperator;
info += 'overDiv.offsetHeight:'+overDiv.offsetHeight+seperator;
info += '( overDiv.offsetLeft + overDiv.offsetWidth ) <= objLeft: '+(( overDiv.offsetLeft + overDiv.offsetWidth ) <= objLeft)+seperator;
info += '( overDiv.offsetTop + overDiv.offsetHeight ) <= objTop: '+(( overDiv.offsetTop + overDiv.offsetHeight ) <= objTop )+seperator;
info += '( overDiv.offsetTop >= ( objTop + objHeight )): '+( overDiv.offsetTop >= ( objTop + objHeight ))+seperator;
info += '( overDiv.offsetLeft >= ( objLeft + objWidth )): '+( overDiv.offsetLeft >= ( objLeft + objWidth ))+seperator;
createCookie(i,info,365);	*/


      if(( overDiv.offsetLeft + overDiv.offsetWidth ) <= objLeft );
      else if(( overDiv.offsetTop + overDiv.offsetHeight ) <= objTop + 81 );
      else if( overDiv.offsetTop >= ( objTop + objHeight ));
      else if( overDiv.offsetLeft >= ( objLeft + objWidth ));
      else
      {		
        obj.style.visibility = "hidden";
      }
      
    }
  }
}





function hideElementCoord( elmID, x,y,w,h ){
  if( ie )
  {
    for( i = 0; i < document.all.tags( elmID ).length; i++ )
    {
      obj = document.all.tags( elmID )[i];
      if( !obj || !obj.offsetParent )
      {
        continue;
      }  
      
	  var ret = findPos(obj);
      
      objLeft = ret[0];      
      objTop = ret[1];  
      objHeight = obj.offsetHeight;      
      objWidth = obj.offsetWidth;
      
      if(( x + w ) <= objLeft );
      else if(( y + h ) <= objTop );
      else if( y >= ( objTop + objHeight ));
      else if( x >= ( objLeft + objWidth ));
      else
      {		
        obj.style.visibility = "hidden";
      }
    }
  }
}

//
// generic function to change the label of a given field, providing the field's id
// @param string field_id the id of a field that the label needs to be changed
// @param string new_label the new label that should replace the old one
//
function change_field_label(field_id, new_label){
    if( emptyString.test(field_id) || emptyString.test(new_label) ){
        return;
    }
    
    var the_input = getElemById(field_id);  
    var parent = the_input.parentNode;
    var theRow = parent.parentNode;
    if( ie ){
        var fieldCaption = theRow.childNodes[0];
    }
    else{
        var fieldCaption = theRow.childNodes[1];
    }
    
    fieldCaption.innerHTML = new_label;
}//
// given a DOM node it will remove it
//
function removeNode(node){
    node.parentNode.removeChild(node);
}//
// utility functions
//
function Refresh(){
	window.location.href=unescape(window.location.pathname);	
}//
// remove options from a select element
//
function removeOptions(select_element){
	var i;
	for (i = select_element.length - 1; i>=0; i--) {
		select_element.remove(i); 
	}
}//
// select a drop down menu selection
//
function selectDropDownValue(select_element, val){
	var i;
    
    if( emptyString.test(val) ){
        select_element.selectedIndex = 0;
    }
    
	for (i = select_element.length - 1; i>=0; i--) {
		if(select_element.options[i].value==val){
			select_element.selectedIndex=i;	
		}
	}
}//
// add options to a drop down menu
//
function addOptions(select_element, arr){
    select_element.options[select_element.options.length]= new Option("", 0);
	for( keyvar in arr){		
		select_element.options[select_element.options.length]= new Option(arr[keyvar], keyvar);
	}
}function removeOption(select_element, value){
    for(var i=0; i<select_element.options.length; i++)
        if( select_element.options[i].value == value )
            select_element.options[i] = null;
}//
// given any form element Object it will find the 
// value of it. This function also finds the value
// of a div
//
function get_field_value(field){
    var val;
    
    switch( field.tagName.toLowerCase() ){
        case "select":
            val = field.options[field.selectedIndex].value;
            break;
        case "input":
            val = field.value;                
            break;
        case "div":
            val = field.innerHTML;
            break;
    }       
    
    return val; 
    
}//
// given an element will find the form Object
//
function find_form(form_element){
    aTag = form_element;
    
    do {
        aTag = aTag.parentNode;
    } while( aTag.tagName.toUpperCase() != "FORM" );
    
    return aTag;
}/**
* @desc this function toggels the select help divs
* @param layer_id is the layer that needs to be togelled
* @param icon_id this is the icon that the layer will be relative too
*/
function toggleSelectHelp(layer_id, icon_id)
    {
    //alert( dd.elements[layer_id].visible );
    
    el = getElemByIdX(layer_id)
        
    if( el && (el.visibility == 'hidden' || el.display == 'none') )
        {
        
        //alert(dd.elements[layer_id].children.length);
        ret = findPos( document.getElementById(icon_id) );
        //alert(ret[0]);

		    //dd.elements.suggest.moveTo(ret[0],ret[1]+field.offsetHeight+1);        
        dd.elements[layer_id].moveTo
            (
            ret[0] + 30,
            ret[1] + 10  
            );
        
        dd.elements[layer_id].show();
        
        //
        // this part is only for page help!
        //
        if( dd.elements[layer_id].children && dd.elements[layer_id].children[2] )
            dd.elements[layer_id].children[2].hide();
         
        //
        // hide select elements beneath our div layer b/c of crappy i.e. and combo box problem  
        //
        hideElement( "SELECT", getElemById(layer_id) );
        hideElement( "IMG", getElemById(layer_id) );
        }
    else
        {
        dd.elements[layer_id].hide();
        //
        // show the hidden elements underneath our dive
        //
        showElement("SELECT");
        showElement("IMG");
        }
    }
function set( name, value )
{
    if( document.getElementById(name) )
    {
        el = document.getElementById(name);

        if( el.type == 'radio' || el.type == 'checkbox' )
        {
            radios = document.getElementsByName(name);

            for(var i=0; i<radios.length; i++)
            {   
                radios[i].checked = value;
            }
        }
        else if( el.type == 'select-one' )
        {
            el.selectedIndex = -1;
        }
        else
        {
            document.getElementById(name).value = value;
        }
        
    }
}
function set_input ( id, value )
	{
        input = document.getElementById(id);
        
		if ( input )
		{
			if ( input.type == 'text' )
			{
                input.value = value;
                 
                //
                // split the id by "_", so we can call the ajax function to get the 
                // address information for the selected employer
                //
                //alert(id);
                //arr = id.split("_");
                //hidden_id = arr[0] + "_id";
                //check_employer(input, hidden_id);
			} 
            else if ( input.type == 'select-one' ) 
			{
				for ( var i = 0; i < input.length; i++ )
				{
					if ( input.options[ i ].value == value )
					{
						input.selectedIndex = i;
						break;
					}
				}
			} 
            else if ( input.innerHTML )
			{
				input.innerHTML = value;
			}

		}

	}var map;

function show_map( map_name, lat, long )
{
    if (GBrowserIsCompatible()) 
    {  
        if ( map )
        {
            //
            // hides the map
            //					
            hide_div( map_name );
            map = null;
            
        } 
        else
        { 
            //
            // show the map
            //  					
            show_div( map_name );

            map = new GMap2(document.getElementById(map_name));
            map.addControl(new GSmallMapControl());
//					map.addControl(new GMapTypeControl());
            map.setCenter(new GLatLng(lat, long), 14);

            GEvent.addListener(map, "click", 
                function(marker, point) { 
                    hide_div( map_name );
                    map = null;
                } 
            );
        }
    }
    //
    // if no support just link it to google map
    //
    else{
            
         var load = window.open('http://maps.google.ca/maps?q='+eval('v_'+map_name)+'&hl=en',
         '','scrollbars=no,menubar=no,height=600,width=800,resizable=yes,toolbar=no,location=no,status=no');
    }
}
function make_map_point ( map_name, lat, long, address )  
{
    if ( map ) 
    {
        var point = new GLatLng(lat, long );
        marker = new GMarker( point );
        map.addOverlay( marker );
        map.openInfoWindowHtml( point, address);
    }
}
function show_div(div_id){
    el = getElemByIdX(div_id);
    if( el ){
        el.display = "";
        el.visibility=(dom||ie)? "visible" : "show";
    }
}
function hide_div(div_id){
    el = getElemByIdX(div_id);
    if( el ){
        el.visibility = 'hidden';
        el.display='none';
    }
}
add_zero = function(num) {
	if (num.length == 2) return num;
	return num=(num < 10)?"0"+num:num
}	

function date_check( input, low , hi, error_message)
{	
	//FOR BACKWARDS COMPATIBILITY
	if (!isNaN(low)) low = '';
	if (!isNaN(hi)) hi = '';
	
	if (input.value == '' )
	{
		input.value = 'yyyy-mm-dd';
		return true;
	}

    error_mssg = 'Date entered incorrectly. Use yyyy-mm-dd format.';	
    future_error_mssg = 'Date entered is a future date and is not allowed here.';
    past_error_mssg = 'Date entered is before your order date please correct and resubmit';

	date_parts = input.value.split( '-' );
	if ( date_parts.length != 3 )
	{
		date_parts = input.value.split( '/' );
		if ( date_parts.length != 3 )
		{
			date_parts = input.value.split( ' ' );
			if ( date_parts.length != 3 )
			{
				alert ( error_mssg );
					return;
			}	
		}
	}

	//if in YYYY-JUL-DD format		
	if (isNaN(date_parts[1]))
	{
		var check = date_parts[1].toUpperCase();
		//covert to numeric
		if (check=='JAN')
		{
			date_parts[1] = 1;
		}
		else if (check=='FEB')
		{
			date_parts[1] = 2;
		}
		else if (check=='MAR')
		{
			date_parts[1] = 3;
		}
		else if (check=='APR')
		{
			date_parts[1] = 4;
		}
		else if (check=='MAY')
		{
			date_parts[1] = 5;
		}
		else if (check=='JUN')
		{
			date_parts[1] = 6;
		}
		else if (check=='JUL')
		{
			date_parts[1] = 7;
		}
		else if (check=='AUG')
		{
			date_parts[1] = 8;
		}
		else if (check=='SEP')
		{
			date_parts[1] = 9;
		}
		else if (check=='OCT')
		{
			date_parts[1] = 10;
		}
		else if (check=='NOV')
		{
			date_parts[1] = 11;
		}
		else if (check=='DEC')
		{
			date_parts[1] = 12;
		}
		else
		{
			alert( error_mssg );
			input.value = 'yyyy-mm-dd';
			input.focus();
			return false;
		}
	}
	date = new Date(  date_parts[0], date_parts[1]-1, date_parts[2] );
	
	var hi_date;
	var low_date;
	
	if (hi)
	{
		hi = hi.split('-');
		hi_date = new Date (hi[0],hi[1]-1,hi[2])
	}
	if (low)
	{
		low = low.split('-');
		low_date = new Date (low[0],low[1]-1,low[2])
	}
	
	if ( date.toString() == "Invalid Date" || hi.toString() == "Invalid Date" || low.toString() == "Invalid Date"  )
	{
		alert( error_mssg );
		input.value = 'yyyy-mm-dd';
		input.focus();
		return false;
	}
	//set the date you check against to the date you need				
	if ( ( low == '' && hi != '') && ( date > hi_date ) )
	{
		alert( future_error_mssg );
		input.value = 'yyyy-mm-dd';
		input.focus();
		return false;
	}
	else if ( ( low != '' && hi == '') && ( date < low_date ) )
	{
		alert( past_error_mssg );
		input.value = 'yyyy-mm-dd';
		input.focus();
		return false;
	}
	else if ( ( low != '' && hi != '') && ( date > hi_date || date < low_date ) )
	{
		alert( past_error_mssg );
		input.value = 'yyyy-mm-dd';
		input.focus();
		return false;
	}
	
	input.value = date_parts[0] + '-' + add_zero(date_parts[1]) + '-' + add_zero(date_parts[2]);
	return true;
}


function toggle_hidden( name )
{
	var elem = document.getElementById( name );
	var focus = false;

	if ( elem.style.display == 'block' )
	{
		elem.style.display = "none";
	}
	else
	{
		elem.style.display = "block";
		focus = true;
	}

	el = document.getElementById(name+"_input");
	if( el && focus )
	{
		el.focus();
	}
}
function paste_from_to( element_from, element_to )
{
    if( element_from.type == 'radio' || element_from.type == 'checkbox' )
    {
        radios = document.getElementsByName(name);

        for(var i=0; i<radios.length; i++)
        {   
            radios[i].checked = value;
        }
    }
    else if( element_from.type == 'select-one' )
    {
        //el.selectedIndex = -1;
    }
    else if( element_from.type == 'select-multiple' )
    {
        var options_count = element_from.options.length;
        for(var i=0; i<options_count; i++)
        {
            if( element_from.options[i].selected )
            {
                element_to.value += element_from.options[i].value + "; ";
                element_from.options[i].selected = false;
            }
        }
    }
    else
    {
        element_to.value = element_from.value;
    }
}
function text_filter(input_element, regex )
{
    eval(" var reg = /" + regex + "/;");

    if( !reg.test(input_element.value) )
    {
        input_element.value = input_element.value.substring(0,input_element.value.length-1);    
    }
}

function format_number(field, length, max, decimal, comma, min)
{
    /*
        * boolean decimal If true it will allow decimals
        * boolean comma If true it will allow commas in the field value
     */
    var re=/^[0-9]+$/;
    var rp=/[^0-9]/g;

    if( decimal )
    {
        //alert('decimal');
        re = /^[0-9\.]+$/;
        rp = /[^0-9\.]/g;
    }

    if( comma )
    {
        //alert('comma');   
        re = /^[0-9,]$/;
        rp = /[^0-9,]/g;
    }

    if( decimal && comma )
    {
        //alert('decimal && comma');
        re = /^[0-9,\.]$/;
        rp = /[^0-9,\.]/g;
    }

    //alert(field.value);
    if( !re.test(field.value) )
    {
        field.value = field.value.replace(rp, ""); 
    }
    //alert(field.value);


	if ( length )
	{
	    if( field.value.length > length)
	    {
	        field.value = field.value.substring(0,length);
	    }
	}
	
	if ( max )
	{
	    if( field.value > 100 )
   	 	{
   	    	field.value = 100;
   		}
	}

    if( min )
    {
        if( field.value < min )
        {
            field.value = min;
        }
    }

    /*if( !empty.test(field.value) && !decimal )
    {
        field.value = parseInt(field.value);
    }*/ 

    val = field.value.replace(/,/g, '');

    if( isNaN(val) ) 
    {
        field.value = '0';
    }
}
function date_diff( date1, date2, format )
{
    if( date2 )
    {
        var date2_array = date2.split("-");
        var newDate2 = new Date(date2_array[0], date2_array[1] - 1, date2_array[2]);
    }
    else
    {
        var newDate2 = new Date();
    }

	var date1_array = date1.split("-");
    var newDate1 = new Date(date1_array[0], date1_array[1] - 1, date1_array[2]);

    var diff = newDate2 - newDate1;
    diff = diff/1000;
    
    //in seconds
    date_difference = diff;

    if( format )
    {
        date_difference = Math.abs( date_difference );
       switch( format )
       {
            case 'YEAR':
               return Math.floor(date_difference / 31536000);
               break;

            case 'MONTH':
                return Math.floor(date_difference / 2419200);
                break;

            case 'DAY':
                return Math.floor(date_difference / 86400); 
                break;
       }
    }
    else
    {
        return date_difference;
    }
}

//return date as a string formated to < #days [~ [ years ] [ months ] ]   >
function build_date_diff( date1, date2 )
{
    //if (date2)
    //{

    //}
    //else
    //{
        var str = '';
        var years = '';
        var months = '';
        var days = date_diff( date1, date2, 'DAY' );
        str = parseInt(days + "days");
        years = parseInt(days / 365);
        months = (days % 365) / 12;
          
        if (years || months)
        { 
            str += " ~ ";
            if (years)
            {
                str += years + "y ";
            }
            if (months)
            {
                str += months + "m ";
            }
        }
    
        return str;
   // }
}