function openPopWin(tg,w,h) {
	wid = screen.width/2-w/2;
	hei = screen.height/2-h/2;
	window.open(tg,"","width="+w+",height="+h+",left="+wid+",top="+hei);
}

function openPopWinScroll(tg,w,h) {
	wid = screen.width/2-w/2;
	hei = screen.height/2-h/2;
	window.open(tg,"","scrollbars=yes,width="+w+",height="+h+",left="+wid+",top="+hei);
}

function openPopWinScroll2(tg,w,h) {
	wid = screen.width/2-w/2;
	hei = screen.height/2-h/2;
	window.open(tg,"","scrollbars=yes,width="+w+",height="+h+",left="+wid+",top="+hei+",resizable=yes");
}