function verifyDate(textfield) {
	dt = textfield.value;
	newdt = "";
	for (i=0; i<dt.length; i++) {
		lastCode = dt.substr(i,1).charCodeAt(0);
		if (lastCode>=48 && lastCode<=57){
			newdt += dt.substr(i,1);
		}
	}
	if (event.keyCode==8){
		newdt = newdt.slice(0,-1);
	}
	newdtlength = newdt.length;
	for (i=0; i<6-newdtlength; i++) {
		newdt += "_";
	}
	y = newdt.substr(0,2);
	m = newdt.substr(2,2);
	d = newdt.substr(4,2);
	newdt = y+"/"+m+"/"+d;
	textfield.value = newdt;
}

function gotopage(url) {
	window.location.href=url;
}