function newImage(imgSrc){
 var imgName = new Image();
 imgName.src = imgSrc;
 return imgName;
}

function changeimg(imgName,imgLocation) {
 document[imgName].src = imgLocation ;
}

var preloadFlag = false;
function loadImages() {
	if (document.img) {
		m1_o = newImage("img/m1-o.gif");
		m2_o = newImage("img/m2-o.gif");
		m3_o = newImage("img/m3-o.gif");
		m4_o = newImage("img/m4-o.gif");
		m5_o = newImage("img/m5-o.gif");
		m6_o = newImage("img/m6-o.gif");
		m7_o = newImage("img/m7-o.gif");
		m8_o = newImage("img/m8-o.gif");
		preloadFlag = true;
	}
}

function popup(link)
{
 var w=760;
 var h=500;
 var s=1;
 winel = window.open(link,'winel','top='+(screen.height-h)/2+',left='+(screen.width-w)/2+',width='+w+',height='+h+',scrollbars='+s);
 winel.focus();
}