var h = 0;
var yp = 0;

function onPagetop(){
h = 3000;
td = setInterval("sc()", 50);
}

function sc(){
	if(h > 0){
		window.scrollBy(0,-50);
		h = h - 50;
		if( navigator.appName.charAt(0) == "N" && navigator.appVersion.charAt(0) <= 4){
			yp = window.pageYOffset;
			if(yp < 100){
				h = 0;
			}
		}
	} else {
		clearInterval(td);
	}
}


function imgOn(imgName) {
document[imgName].src = eval(imgName + "_2.src");
}
function imgOff(imgName) {
document[imgName].src = eval(imgName + "_1.src");
}

function subwinOpen(url,wname,w,h){
wo=window.open(url,wname,"width="+w+",height="+h+",left=0,top=0,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,favorites=no,resizable=no");
wo.focus();
}


function openMailto(un,dn) {
	am = "@";
	location.href = "mailto:" + un + am + dn;
}