function member_bio_popup(URL, width, height) {
		var left = parseInt((screen.availWidth / 2) - (width / 2));
		var top = parseInt((screen.availHeight / 2) - (height / 2));
		var windowFeatures = "width=" + width + ", height=" + height + ", left=" + left + ",top=" + top + ",screenX=" + left + ",screenY=" + top;
		myWindow = window.open(URL, "subWind", windowFeatures);
	}
	
function validate_email_address(address) {
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(!address.length || !reg.test(address)) { return false; }
	return true;
	}
	
var tooltip=function() {
	 var id = 'tt';
	 var top = 3;
	 var left = 3;
	 var maxw = 300;
	 var speed = 10;
	 var timer = 20;
	 var endalpha = 95;
	 var alpha = 0;
	 var tt,h;
	 var ie = document.all ? true : false;
	 return{
		show:function(v,w){
			if(tt == null){
				tt = document.createElement('div');
				tt.setAttribute('id',id);
				document.body.appendChild(tt);
				tt.style.opacity = 0;
				tt.style.filter = 'alpha(opacity=0)';
				document.onmousemove = this.pos;
				}
			tt.style.display = 'block';
			tt.innerHTML = v;
			tt.style.width = w ? w + 'px' : 'auto';
			if(!w && ie){
				tt.style.width = tt.offsetWidth;
				}
			if(tt.offsetWidth > maxw){tt.style.width = maxw + 'px'}
			h = parseInt(tt.offsetHeight) + top;
			clearInterval(tt.timer);
			tt.timer = setInterval(function(){tooltip.fade(1)},timer);
			},
		pos:function(e){
			var u = ie ? event.clientY + document.documentElement.scrollTop : e.pageY;
			var l = ie ? event.clientX + document.documentElement.scrollLeft : e.pageX;
			tt.style.top = (u - h) + 'px';
			tt.style.left = (l + left) + 'px';
			},
		fade:function(d){
			var a = alpha;
			if((a != endalpha && d == 1) || (a != 0 && d == -1)){
				var i = speed;
				if(endalpha - a < speed && d == 1){
					i = endalpha - a;
					}
				else if(alpha < speed && d == -1){
						i = a;
					}
			alpha = a + (i * d);
			tt.style.opacity = alpha * .01;
			tt.style.filter = 'alpha(opacity=' + alpha + ')';
			}else{
				clearInterval(tt.timer);
				if(d == -1){tt.style.display = 'none'}
				}
			},
		hide:function(){
			clearInterval(tt.timer);
			tt.timer = setInterval(function(){tooltip.fade(-1)},timer);
			}
		};
	}();