function setVariables(iwidth,iheight){
imgwidth=iwidth; 
imgheight=iheight;
if (navigator.appName == "Netscape") {
horz=".left";
vert=".top";
docStyle="document.";
styleDoc="";
innerW="window.innerWidth";
innerH="window.innerHeight";
offsetX="window.pageXOffset";
offsetY="window.pageYOffset";
}
else {
horz=".pixelLeft";
vert=".pixelTop";
docStyle="";
styleDoc=".style";
innerW="document.body.clientWidth";
innerH="document.body.clientHeight";
offsetX="document.body.scrollLeft";
offsetY="document.body.scrollTop";
}
}
function checkLocation() {
objectXY="divRegWindow";
var availableX=eval(innerW);
var availableY=eval(innerH);
var currentX=eval(offsetX);
var currentY=eval(offsetY);
x=availableX/2-(imgwidth/2);//+currentX;
y=availableY/2-(imgheight/2)+currentY;
//x=100;
//y=150;
evalMove();
setTimeout("checkLocation()",10);
}
function evalMove() {
eval(docStyle + objectXY + styleDoc + horz + "=" + x);
eval(docStyle + objectXY + styleDoc + vert + "=" + y);
}
function closeDiv(obj)
{
    document.all(obj).style.display='none';
}