function popUp(myPage, windowName, myWidth, myHeight, resize, scroll) {
	LeftPosition= (screen.width*0.5)-(myWidth*0.5);
	TopPosition= (screen.height*0.4)-(myHeight*0.5);
	window.open(myPage, windowName, 'width='+myWidth+',height='+myHeight+',top='+TopPosition+',left='+LeftPosition+',scrollbars=' + scroll +',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=' + resize);
}