<!--// print window
			function printpage() {
			window.print();  
			}
//-->

<!--// video swap
function swapVideo(which) {
	var numVideo = 5;
	for (var i = 0; i<numVideo; i++) {
		document.getElementById('video_player_'+i).style.display = (i == which) ? 'block' : 'none';
		document.getElementById('video_text_'+i).style.display = (i == which) ? 'block' : 'none';
	};
}
//-->


<!--// popup
function popup(file, h, w, s)
{
		var height = "height=" + h;
		var width = "width=" + w;
		var scrollbars = "scrollbars= " + s;
		PreviewWindow = window.open(file,"PreviewWindow",height + "," + width + ",directories=no,location=no,menubar=yes,resizable=no," + scrollbars + ",status=no,toolbar=no,alwaysRaised=yes");
}//-->

// querystring
// Call function by x = querystring("variable") returns variable=x

function querystring(key)
{
	var value = null;
	for (var i=0;i<querystring.keys.length;i++){
		if (querystring.keys[i]==key){
			value = querystring.values[i];
			break;
		}
	}
	return value;
}

querystring.keys = new Array();
querystring.values = new Array();

function querystring_Parse()
{
	var query = window.location.search.substring(1);
	var pairs = query.split("&");

	for (var i=0;i<pairs.length;i++)
	{
		var pos = pairs[i].indexOf('=');
		if (pos >= 0)
		{
			var argname = pairs[i].substring(0,pos);
			var value = pairs[i].substring(pos+1);
			querystring.keys[querystring.keys.length] = argname;
			querystring.values[querystring.values.length] = value;
		}
	}
}
querystring_Parse();