Selve scriptet skal i <head> </head> sektionen under TITLE, metatags osv.
<script>
function PopUp(){
var ScreenWidth=window.screen.width;
var ScreenHeight=window.screen.height;
var movefromedge=0;
placementx=(ScreenWidth/2)-((400)/2);
placementy=(ScreenHeight/2)-((300+50)/2);
var PopUpUrl="
http://www.A1ien51.8k.com" WinPop=window.open(PopUpUrl,"","width=400,height=300,toolbar=1,location=1,directories=1,status=1,scrollbars=1,menubar=1,resizable=1,left="+placementx+",top="+placementy+",screenX="+placementx+",screenY="+placementy+",");
}
</script>
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Ang. funktionen pop-up - der har du 2 muligheder. Enten at sætte det ind som et link
<a href="java script:PopUp()">Type One</a>
Eller på et element f.eks. en submitknap
onclick="PopUp()">Type Two
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Sidste funktion skal være i html delen under <body>