function closePopup()  
 {  
     document.getElementById("divSignin").style.display="none";              
        return false;  
 }  
 function showPopup()  
 {  
     try  
     {    
         document.getElementById("divSignin").style.display="block";      
                                        
     }  
     catch(e)  
     {  
         alert(e);  
     }  
     return false     
 }  
 function fnSetDivSigninLeft(oElement)  
    {  
       var DivWidth = parseInt(document.getElementById(oElement).offsetWidth,10)  
       var DivHeight = parseInt(document.getElementById(oElement).offsetHeight,10)  
       document.getElementById(oElement).style.left = (document.body.offsetWidth / 2) - (DivWidth / 2)+200;  
       document.getElementById(oElement).style.top = (document.body.offsetHeight / 2) -  ( DivHeight / 2);  
       
       return false;       
    }