function PopCart(form, popSpan)
	{
		//document.getElementById('popupSpan').innerHTML="test";
		
		url='popuptest.php'; 
		sendForm2(form, popSpan);
		grayOut(true);
	}
	
	function otherstuff()
	{
		url='cartmini.php'; 
		sendFormSpan(null, 'cartmini');
	}
	
function sendForm2(form, SFSspan)
{
	AjaxSpan = SFSspan;
	
	document.getElementById('LoadImg').innerHTML="<img src=\"../ajax-loader2.gif\">";
	//if valid form is passed pull the parameter from that form and same into variable parms
	if (form != null)
	{
		//alert("init");
		var parms = getFormValues(form,"validate")
	}
	else
	{
		//alert ("form is null");
	}
	
	
	//gets http object for users browser (ie, firefox, safari)
	xmlHttp=GetXmlHttpObject()

	//checks to see if the browser support http request.  If it does not exti script
	if (xmlHttp==null)
  	{
  		alert ("Browser does not support HTTP Request")
  		return
  	}
	
	//check that the url variable has been set.  if it has not exit script.
	if (url==null)
	{
		alert ("Destination url not set")
		return
	}  	 
		
	//send xmlhttp request
	xmlHttp.onreadystatechange=stateChanged2	//register the function to use when state has changed
	xmlHttp.open("POST",url,true)	//open url and set data pass method to post
	
	//if a valid form has been past to this method the parameter option will be set and posted to the url set above
	if (form != null)
	{
		
		//Send the proper header information along with the request
		xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		xmlHttp.setRequestHeader("Content-length", parms.length);
		xmlHttp.setRequestHeader("Connection", "close");
		xmlHttp.send(parms)	//send parameters to the url set above
	}
	//if a null form has been passed to this method null parameters will be posted to the url set above
	else
	{
		xmlHttp.send(null)	//send null to the url set above
	}
	
	return true;
} 

function stateChanged2() 
{ 
	//when the url has finished processing the output will be posted in the span tag "AJAXSection"
	//This tag must be setup in the html
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 	{ 
 		document.getElementById("LoadImg").innerHTML= "";
 		try 
 		{
 			
 			document.getElementById(AjaxSpan).innerHTML=xmlHttp.responseText;
 			otherstuff();
 		}
 		catch (err)
 		{
			alert ("ajax document writer failed \n "+err);
 		}
 	} 
}

function grayOut(vis, options) {
  // Pass true to gray out screen, false to ungray
  // options are optional.  This is a JSON object with the following (optional) properties
  // opacity:0-100         // Lower number = less grayout higher = more of a blackout 
  // zindex: #             // HTML elements with a higher zindex appear on top of the gray out
  // bgcolor: (#xxxxxx)    // Standard RGB Hex color code
  // grayOut(true, {'zindex':'50', 'bgcolor':'#0000FF', 'opacity':'70'});
  // Because options is JSON opacity/zindex/bgcolor are all optional and can appear
  // in any order.  Pass only the properties you need to set.
  var options = options || {}; 
  var zindex = options.zindex || 50;
  var opacity = options.opacity || 70;
  var opaque = (opacity / 100);
  var bgcolor = options.bgcolor || '#000000';
  var dark=document.getElementById('darkenScreenObject');
  if (!dark) {
    // The dark layer doesn't exist, it's never been created.  So we'll
    // create it here and apply some basic styles.
    // If you are getting errors in IE see: http://support.microsoft.com/default.aspx/kb/927917
    var tbody = document.getElementsByTagName("body")[0];
    var tnode = document.createElement('div');           // Create the layer.
        tnode.style.position='absolute';                 // Position absolutely
        tnode.style.top='0px';                           // In the top
        tnode.style.left='0px';                          // Left corner of the page
        tnode.style.overflow='hidden';                   // Try to avoid making scroll bars            
        tnode.style.display='none';                      // Start out Hidden
        tnode.id='darkenScreenObject';                   // Name it so we can find it later
    tbody.appendChild(tnode);                            // Add it to the web page
    dark=document.getElementById('darkenScreenObject');  // Get the object.
  }
  if (vis) {
    // Calculate the page width and height 
    if( document.body && ( document.body.scrollWidth || document.body.scrollHeight ) ) {
        var pageWidth = document.body.scrollWidth+'px';
        var pageHeight = document.body.scrollHeight+'px';
    } else if( document.body.offsetWidth ) {
      var pageWidth = document.body.offsetWidth+'px';
      var pageHeight = document.body.offsetHeight+'px';
    } else {
       var pageWidth='100%';
       var pageHeight='100%';
    }   
    //set the shader to cover the entire page and make it visible.
    dark.style.opacity=opaque;                      
    dark.style.MozOpacity=opaque;                   
    dark.style.filter='alpha(opacity='+opacity+')'; 
    dark.style.zIndex=zindex;        
    dark.style.backgroundColor=bgcolor;  
    dark.style.width= pageWidth;
    dark.style.height= pageHeight;
    dark.style.display='block';                          
  } else {
     dark.style.display='none';
  }
}