var loaded=false;
var imageName='ci';
var jpgFolder="../../graphics/products/";
function doCache()
	{
	for(x=0; x<jpgFileNames.length; x++)
    	{
		if(!imageSet[x])
			{
			imageSet[x] = new Image();// without dims
   			imageSet[x].src = jpgFolder+jpgFileNames[x];
			window.status=jpgFolder+jpgFileNames[x];
			}
		else if(!imageSet[x].complete)	
	    	{
			imageSet[x] = new Image(); // without dims
   			imageSet[x].src = jpgFolder+jpgFileNames[x];	
			window.status=jpgFolder+jpgFileNames[x];	
			}
    	}
	document.addtobasket.code.value=productCodes[0];	
	}	

function setJPG(jpgName)
  	{
	var id=-1;
	for(x=0; x<productCodes.length; x++)
	   {
	   if(productCodes[x] == jpgName) {id=x;}
	   }
	// test for -1!!!   
	if(imageSet[id] && imageSet[id].complete)	
		{
		if(document.getElementById)
			{
	   		var img=document.getElementById(imageName);
	   		img.src=imageSet[id].src;
	   		}
    	else
	    	{
			document.imageName.src=imageSet[id].src;
			}
	    document.addtobasket.code.value=productCodes[id];
		return true;	
		}	
	else 
		{
	    alert("Sorry! I haven't loaded all the page images yet. Please hit OK and then wait 20 seconds or so...");
		location.reload();
		return false;
		}	
	}