function NewWindow(mypage,w,h,scroll){
	ScreenWidth = screen.width;
	ScreenHeight = screen.height;
	LeftPosition = (ScreenWidth/2)-(w/2);
	TopPosition = (ScreenHeight/2)-(h/2);
	win = window.open(mypage,"popup","height="+h+",width="+w+",top="+TopPosition+",left="+LeftPosition+",fullscreen=0,location=0,menubar=0,resizable=0,scrollbars="+scroll+",status=0,titlebar=0,toolbar=0")
	if(win.window.focus){win.window.focus();}
}

function PreviewWindow(img,title,w,h) {
	ScreenWidth = screen.width;
	ScreenHeight = screen.height;
	LeftPosition = (ScreenWidth/2)-(w/2);
	TopPosition = (ScreenHeight/2)-(h/2);
	win = window.open(img,"preview","height="+h+",width="+w+",top="+TopPosition+",left="+LeftPosition+",fullscreen=0,location=0,menubar=0,resizable=0,scrollbars=yes,status=0,titlebar=0,toolbar=0");
	if(win.window.focus){win.window.focus();}
}

function PreviewPicHeight(h) {
	w = window.width;
	document.getElementById("PreviewPic").style.width = w + 'px';
	document.getElementById("PreviewPic").style.height = h + 'px';
}