function imgViewer(imgSrc) {

	var preImg  = new Image();
	preImg.src = imgSrc;
	var w = preImg.width + 50;
	var h = preImg.height + 80;
	
	window.open("/imgviewer/?img=" + imgSrc, "imgwindow", "menubar=0,resizable=0,scrollbars=1,width=" + w + ",height=" + h);
}
	
function displayImg() {
	
	var img  = urlparam("img");
	
	document.write('<img src="' + img + '" class="img" />');
	
	
	
}


function urlparam(name) {
	var regexS = "[\\?&]"+name+"=([^&#]*)";
	var regex = new RegExp( regexS );
	var tmpURL = window.location.href;
	var results = regex.exec( tmpURL );
	if( results == null )
		return "";
	else
		return results[1];
}