var tooltip=function(){
	var id = 'pgtt';
	var top = 3;
	var left = 3;
	var maxw = 300;
	var speed = 10;
	var timer = 20;
	var endalpha = 95;
	var alpha = 0;
	var otop = -2;
	var oleft = -30;
	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);
				document.onmousemove = this.pos;
			}
			tt.style.display = 'block';
			tt.innerHTML = v;
			h = parseInt(tt.offsetHeight) + top;
			tooltip.fade(1);
		},
		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 + otop) + 'px';
			tt.style.left = (l + left + oleft) + 'px';
		},
		fade:function(d){
			if(d == -1){tt.style.display = 'none'}
		},
		hide:function(){
		    tooltip.fade(-1);
		}
	};
}();