widthPos=640
heightPos=460
leftPos=125
topPos=75
if (screen){
leftPos = (screen.width/2)-(widthPos/2)
topPos = (screen.height/2)-(heightPos/2)
}

function openWindow(url) {
window.open(url,'MyWindow','width=640,height=510,menubar=no,scrollbars=no,toolbar=no,location=no,directories=no,resizable=yes,top='+topPos+',left='+leftPos); 
}


function infoweergeven(link){
	window.open(link,'newwindow','width='+widthPos+',height='+heightPos+',left='+leftPos+',top='+topPos+',toolbar=no,menubar=no,status=no,location=no,directories=no,scrollbars=yes,resizable=yes,copyhistory=no');
}


function infoweergeven2(link){
	window.open(link,"newwindow","width=640,height=420,left=125,top=75,toolbar=no,menubar=no,status=no,location=no,directories=no,scrollbars=yes,resizable=yes,copyhistory=no");
}


function openGoogle(url) {
window.open(url,'MyWindow','width=600,height=480,menubar=no,scrollbars=no,toolbar=no,location=no,directories=no,resizable=yes,top='+topPos+',left='+leftPos); 
}