// print preview function
function PrintPreview()
	{
		var sUrl = window.location.href + "&PrintPreview=true";
		if(window.location.href.indexOf("?") == -1)
		sUrl = window.location.href + "?PrintPreview=true";
		window.open(sUrl, "_blank", "width=950,height=700,resizable,toolbar", true);

	}
	
//if the print preview button has been pressed, include that css file
	
if(window.location.href.indexOf("PrintPreview=true") >-1) 
	{
		SetPrinterFriendlyCSS();
	}
		function SetPrinterFriendlyCSS()
	{
		document.write('<link rel="stylesheet" type="text/css" href="/assets/styles/print.css" />');
		window.print();
					
	}