function NewPDFWindows ()  
{  
    if (!document.getElementsByTagName) 
        return false;  
    
    var links = document.getElementsByTagName("a");  
    
    for (var eleLink=0; eleLink < links.length; eleLink ++) 
    {  
        if (links[eleLink].href.indexOf('.pdf') !== -1) 
        {  
            links[eleLink].onclick =  function() { var w = window.open(this.href,'PDFWindow','width=800,height=600,status=yes,toolbar=no,menubar=no,location=no');  return false;  }   
        }  
     }  
}   

/* Register the event. Add function calls after page load */
function addLoadEvent(func)
{
    var oldonload = window.onload;
    if (typeof window.onload != 'function') 
    { 
        window.onload = func; 
    } 
    else 
    { 
        window.onload = function() { oldonload(); func(); }
    } 
}
addLoadEvent(NewPDFWindows);