function hide(sender,event){
		      document.getElementById('lb').style.display = 'none';
		  }

		  function lbs() {
		      var self = this;
		      this.txt = '';
		      this.sender = null;
		      this.Show = function() {
		          with (document.getElementById('lb')) {
		              var txts = self.txt.split('|');
		              innerHTML = '<span style="font-size:16px;font-weight:bold;width:180px;height:22px;line-height:22px;overflow:hidden;text-align:center;">' + txts[0] + '</span><br>';
		              innerHTML += txts[1] + '<br>';
		              innerHTML += txts[2] + '<br>';
		              innerHTML += txts[3] + '<br>';


		              var p = parentNode.parentNode.parentNode;
		              var s = self.sender.parentNode;
		              self.sender.style.cursor = 'pointer';
		              style.display = '';
		              style.left = s.offsetLeft + p.offsetLeft + 60;
		              style.top = s.offsetTop + p.offsetTop - 40;
		          }
		      };
		      this.Hide = function() {
		          with (document.getElementById('lb')) {
		              style.display = 'none';
		          }
		      };
		  }
		  function setLiEvent() {
		      var ul = document.getElementById('ulCoop');
		      for (var i = 0; i < ul.childNodes.length; i++) {
		          var a = ul.childNodes[i].childNodes[0];
		          var b = new lbs();
		          b.txt = a.alt;
		          b.sender = a;
		          a.onmouseover = b.Show;
		          a.onmouseleave = b.Hide;
		      }
		  }