var nav = new Image();
nav.src = "images/navon.gif";
var navhp = new Image();
navhp.src = "images/navhpon.gif";


function showPopUp(popFile) {
	window.open(popFile,'_blank','width=450,height=400,left=100,top=50,screenX=100,screenY=50,menubar=yes,scrollbars=yes');
}