function popWin1(x, wi, he, wi2, he2) {
	w = screen.width;
	h = screen.height;
	sx = w/2-wi2;
	sy = h/2-he2;
	window.open(x,'','status=no,resizable=no,scrollbars=no,toolbar=no,location=no,directories=no,menubar=no,width='+wi+',height='+he+',top='+sy+',left='+sx+',screenX='+sx+',screenY='+sy+'');
}

function show_hide(divName) {
	if (document.getElementById) {
		obj=document.getElementById(divName)
	} else if (document.all) {
		obj=document.all[divName]
	}

	if (obj) {
		if (obj.style.display == "none") {
			obj.style.display = '';
		}
		else {
			obj.style.display = 'none';
		}
	}
}