function showPopup(strURL, w, h)
{
			var left, top, setting;
			var	popupWin;
		left=(screen.width - w)/2;
		top=(screen.height - h)/2;
				
		setting = "width=" + w + ",height=" + h + ", scrollbars=yes, toolbar=no, titlebar=no," 
				+ "dependent=yes, menubar=no, location=no, status=no, directories=0, "		
				+ "top=" + top + ", left=" + left + "'";
			
		popupWin = open(strURL,"",setting);
}
//onclick="showPopup('http://www.thegioididong.com/DTDD/ShowPopUp.aspx?modelid=20878',545,500)"
//<meta HTTP-EQUIV="REFRESH" CONTENT="3; URL=javascript:showPopup('http://www.thegioididong.com/DTDD/ShowPopUp.aspx?modelid=20878',545,500);">