window.onload = function() 
        {
         document.onselectstart = function() {return false;} // ie
         document.onmousedown = function() {return false;} // mozilla
         document.oncontextmenu=function(){return false;} 
         //28.12.2010 Yougesh Ingale (Global Dental Care)
             if(window.navigator.appName=="Netscape")
             {
                document.onselectstart = function() {return false;} 
                document.onmousedown = function() {return true;}
             } 
                if(window.navigator.userAgent=="Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13")
                {
                document.onselectstart = function() {return false;} 
                document.onmousedown = function() {return false;}
                } 
                
                if(window.navigator.userAgent == "Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.9.2.16) Gecko/20110319 Firefox/3.6.16")
                {
                document.onselectstart = function() {return false;} 
                document.onmousedown = function() {return false;}
                }
         }
         
          function LoadContent()
            {   
                document.getElementById('loader').style.display = "none";
                document.onselectstart = function() {return false;} // ie
                document.onmousedown = function() {return false;} // mozilla
                document.oncontextmenu=function(){return false;} 
            }