function OpenModelPopup(popupDiv,maskedDiv)
    { 
//alert(document.getElementById (popupDiv).style.visibility);
        document.getElementById ('tdDisplayName').innerHTML='';
        document.getElementById ('txtName').value='';
        document.getElementById (popupDiv).style.visibility='visible';
        document.getElementById (popupDiv).style.display='';
        document.getElementById (popupDiv).style.top= Math.round ((document.documentElement.clientHeight/6)+ document.documentElement.scrollTop)-100 + 'px';
        document.getElementById (popupDiv).style.left='350px';
        
        document.getElementById (maskedDiv).style.display='';
        document.getElementById (maskedDiv).style.visibility='visible';
        document.getElementById (maskedDiv).style.top='0px';
        document.getElementById (maskedDiv).style.left='0px';
		
        document.getElementById (maskedDiv).style.width=  document.documentElement.clientWidth + 'px';
        document.getElementById (maskedDiv).style.height= document.documentElement.clientHeight+ '0px';
    }
    function CloseModelPopup(popupDiv,maskedDiv)
    {
        document.getElementById (popupDiv).style.display='none';
        document.getElementById (maskedDiv).style.display='none';
    }
     function Submit()
    {
        if(document.getElementById ('txtName').value!='')
        {
            document.getElementById ('MaskedDiv').style.display='none';
            document.getElementById ('ModalPopupDiv').style.display='none';
            document.getElementById ('tdDisplayName').innerHTML='<H3> File selected is: ' + document.getElementById ('txtName').value +' </H3>';
        }
        else 
        {
            alert ('Please enter your name');
        }
    }