this.moveTo(0,0);
window.resizeTo(screen.availWidth,screen.availHeight);
inbreedte = document.getElementsByTagName('body')[0].clientWidth;
inhoogte = document.getElementsByTagName('body')[0].clientHeight;
window.resizeTo(810+(screen.availWidth-inbreedte),610+(screen.availHeight-inhoogte));
var posl =(screen.availWidth/2)-400;
var posh =(screen.availHeight/2)-300
//this.moveTo(posl,posh);