/* Popup Screenshots */

function showImage(imgName, ww, hh) {
	var _isNS4 = (document.layers ? true : false);
	var _ll = (_isNS4 ? window.screenX : window.screenLeft) + (((ww+20)-770)/2);
	var _tt = (_isNS4 ? window.screenY : window.screenTop) + 10;
	var ob = 'image_popup_' + imgName.split('.')[0];
	var ur = 'UserFiles/Image/' + imgName;
	var image_popup_win = window.open(ur, ob, 'left='+_ll+',top='+_tt+',resizable=false,scrollbars=false,status=false,menubar=false,width='+(ww+20)+',height='+(hh+20));
	window.onbeforeunload = function unload_image_popup() { if (image_popup_win) image_popup_win.close(); };
}