//Mouseover business & Home
if (document.images) {       
  //over
  img0on = new Image();
  img0on.src = "pics/biggateHomeo.gif";
  img1on = new Image();
  img1on.src = "pics/biggateBusinesso.gif";
  img0ad = new Image();
  img0ad.src = "pics/explainhome.gif";
  img1ad = new Image();         
  img1ad.src = "pics/explainbusiness.gif";
  //out
  img0off = new Image();
  img0off.src = "pics/biggateHome.gif";
  img1off = new Image();
  img1off.src = "pics/biggateBusiness.gif"
}
function imgOn(imgName,secName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
            document[secName].src = eval(imgName + "ad.src");}
}
function imgOff(imgName,secName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
            document[secName].src = "pics/explain.gif";}
}

//handling of NS4 resize bug
	 if (isNS4) {NS_W = innerWidth;NS_H = innerHeight;onresize = reload;}
function reload() {
         if (innerWidth != NS_W  || innerHeight != NS_H) 
            {location.reload();}}