n = (document.layers) ? 1:0
ie = (document.all) ? 1:0
function ShowObj(o)
{
	if (ie) {
		if (o.style.visibility != "visible") {
			o.style.visibility = "visible"
		}
	}
	if (n) {
		if (o.visibility != "show") {
			o.visibility = "show"
		}
	}
}
function HideObj(o) {
	if (ie) {
		o.style.visibility = "hidden"
	}
	if (n) {
		o.visibility = "hide"
	}
}
function newwin(URL,w,h)
{
reg_win=window.open(URL, '','left=50,top=50,width='+w+',height='+h+',scrollbars=yes,resizable=yes');
}