function weekly500(){
var SplitPopup = "pop500/win_vegas.htm";
xPopSplitPopup=0;
yPopSplitPopup=0;
SplitPopupHeight=310;
SplitPopupWidth=402;
nn=(document.layers)?true:false;
inheight=(nn)?window.innerHeight:document.body.clientHeight;
inwidth=(nn)?window.innerWidth:document.body.clientWidth;
xPopSplitPopup=(inwidth/2)-(SplitPopupWidth/2);
yPopSplitPopup=(inheight/2)-(SplitPopupHeight/2)+40;
var SplitPopupWindowProps = "toolbar=0,location=0,status=0,menubar=0,scrollbars=0,width="+SplitPopupWidth+",height="+SplitPopupHeight+",left="+xPopSplitPopup+",top="+yPopSplitPopup+",screenX="+xPopSplitPopup+",screenY="+yPopSplitPopup;
window.open(SplitPopup, "SplitPopup_Contest", SplitPopupWindowProps);
}