var tooltip=function(){
	var id = 'tt'; var top = 3;	var left = 3;	var maxw = 320;	var tt,t,c,b,h;
	var ie = document.all ? true : false;
	return{
		show:function(v,w){
			if(tt == null){
				tt = document.createElement('div');
				tt.setAttribute('id',id);
				c = document.createElement('div');
				c.setAttribute('id',id + 'cont');
				tt.appendChild(c);
				document.body.appendChild(tt);
				tt.style.opacity = 95;
				tt.style.filter = 'alpha(opacity=95)';
				document.onmousemove = this.pos;
			}
			tt.style.display = 'block';
			c.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;
		},
		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';
		},
		hide:function(){
			tt.style.display = 'none'
		}
	};
}();