var h_img_src = "../images/hide.gif";
	var s_img_src = "../images/show.gif"
        var tmpcookie = new Date();

        chkcookie = (tmpcookie.getTime() + '');
        document.cookie = "chkcookie=" + chkcookie + "; path=/";
        if (document.cookie.indexOf(chkcookie,0) < 0) 
	{
           alert('This site requires the use of session cookies in order for the shopping trolley to function.  Please ensure that you have cookies enabled so you can use '+
	         'the functions on this site.');
        }



	function check_card(card_num,len)
	{
		alert(card_num);
	}

	function toggle(id, img_name) 
	{
		var e = document.getElementById(id);
		if(e.style.display == 'none') 
		{
			e.style.display = 'block';
			document[img_name].src = s_img_src;
		} else 
		{
			e.style.display = 'none';
			document[img_name].src = h_img_src;
		}
	}
		
	var browserType;
	
	if (document.layers) {browserType = "nn4"}
	if (document.all) {browserType = "ie"}
	if (window.navigator.userAgent.toLowerCase().match("gecko")) {browserType= "gecko"}
	
	function hide(id) {
		if (browserType == "gecko" )
		document.poppedLayer = eval('document.getElementById(\''+id+'\')');
		else if (browserType == "ie")
		document.poppedLayer = eval('document.all[\''+id+'\']');
		else
		document.poppedLayer = eval('document.layers[\'`'+id+'\']');
		document.poppedLayer.style.display = "none";
	}
	
	function show(id) {
		if (browserType == "gecko" )
		document.poppedLayer = eval('document.getElementById(\''+id+'\')');
		else if (browserType == "ie")
		document.poppedLayer = eval('document.all[\''+id+'\']');
		else
		document.poppedLayer = eval('document.layers[\'`'+id+'\']');
		document.poppedLayer.style.display = "block";
	}






	function popup(theURL,winName,setUp){
		mywindow=window.open(theURL,winName,setUp);
	}


	
	function checkrequired(which) 
	{
		
		
		
		var pass=true;
		if (document.images) 
		{
			for (i=0;i<which.length;i++) 
			{
				var tempobj=which.elements[i];
	
				//if (tempobj.name.substring(0,8)=="required") 
				if (tempobj.required) 
				{
					
	
					if (((tempobj.type=="text"||tempobj.type=="textarea")&&
						tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&
						tempobj.selectedIndex==0)) 
					{
						pass=false;
						break;
					}
				}

			}
		}
		
		if (!pass) 
		{
			//shortFieldName=tempobj.name.substring(8,30).toUpperCase();
			shortFieldName=tempobj.required.toUpperCase();
	
	
			alert("Please make sure the "+shortFieldName+" field was properly completed.");
			return false;
		}
		else
			return true;
	}