function $$$(id){return document.getElementById(id);}
function Openmak()
{    

sDisp(0);  

$$$("divPageMask").style.display="block";
     resizeMask();
     window.onResize = resizeMask;
     $$$("divOpenWin").style.display="block";
	 
}
function Closemak()
{     
     sDisp(1);
     $$$("divPageMask").style.width = "0px";
     $$$("divPageMask").style.height = "0px";
     $$$("divOpenWin").style.top = "-300px";
     window.onResize = null;
}
function resizeMask()
{
 $$$("divPageMask").style.width = document.body.scrollWidth+"px";

 $$$("divPageMask").style.height = document.body.scrollHeight>document.body.clientHeight?document.body.scrollHeight:document.body.clientHeight+"px";
    
 $$$("divOpenWin").style.left = (document.body.offsetWidth - ( $$$("divOpenWin").offsetWidth*2)) / 2+"px";

 $$$("divOpenWin").style.top = 100+"px";
}
function sDisp(val)
{var dispalyType;
     var dType=["hidden","visible"];
     var obj=document.getElementsByTagName("select");
     for (i=0;i<obj.length;i++)
     {
       obj[i].style.visibility=dType[val];
     }
}
Closemak();