// JavaScript Document
function Open()
	{
	  //隐藏select控件
	  DispalySelect(0);  
	  //显示遮罩层
	  document.getElementById("divPageMask").style.display="block";
	 //处理遮罩层
	  resizeMask();
	 window.onResize = resizeMask;
	  //显示弹出窗口
	  document.getElementById("divOpenWin").style.display="block";
	}
	
	function Close()
	{
	  //显示select控件
	  DispalySelect(1);
	  //处理遮罩层
	  divPageMask.style.width = "0px";
	  divPageMask.style.height = "0px";
	  divOpenWin.style.display = "none";
	  window.onResize = null;
	  
	  document.getElementById("divOpenWin").style.display="none";
	}
	
	//页面遮罩
	function resizeMask()
	{
		 var divOpenWinHeight = 400;
		 var divOpenWinWidth = 800;
		 divPageMask.style.width = document.body.scrollWidth;
		 divPageMask.style.height = document.body.scrollHeight;
		 divOpenWin.style.left = ((document.body.offsetWidth - divOpenWinWidth) / 2);
		 divOpenWin.style.top = ((document.body.offsetHeight - divOpenWinHeight) / 8);
	}
	function DispalySelect(val)
	{  //显示和隐藏select控件
		  var dispalyType;
		  var arrdispalyType=["hidden","visible"];
		  var arrObjSelect=document.getElementsByTagName("select");
		  for (i=0;i<arrObjSelect.length;i++)
		  {
			arrObjSelect[i].style.visibility=arrdispalyType[val];
		  }
	}