function openpdf(aURL)
{
   var wOpen;
   var sOptions;
   var aWinName = "pdfwindow";

   sOptions = 'status=yes,menubar=yes,scrollbars=yes,resizable=yes,toolbar=yes';
   sOptions = sOptions + ',width=' + (screen.availWidth - 10).toString();
   sOptions = sOptions + ',height=' + (screen.availHeight - 122).toString();
   sOptions = sOptions + ',screenX=0,screenY=0,left=0,top=0';

   wOpen = window.open( '', aWinName, sOptions );
   wOpen.location = aURL;
   wOpen.focus();
   wOpen.moveTo( 0, 0 );
   wOpen.resizeTo( screen.availWidth, screen.availHeight );
   return wOpen;
}

function openandclose(url) {
	window.open(url, "", "status=yes,menubar=yes,scrollbars=yes,resizable=yes,toolbar=yes");
	window.close();
}

function myopen(url) {
    window.open(url,"","status=no,menubar=no,scrollbars=no,resizeable=no,toolbar=no,width=400,height=70");   
}

var eventHandler = function() { 
    var links = document.getElementsByTagName("a");
    if( !links || ( links.length == 0 ) ) return;
    
    for( var i = 0; i < links.length; i++ ) {
        if( links[i].className.indexOf("external") != -1 ) {
            
            links[i].externalSrc = links[i].href;
            links[i].href = "#";
            
            var clickHandler = function(e) { 
                if( e.cancelable ) { 
                    e.preventDefault();
                    window.cancelBubble=true;
                }
                
                if( e.currentTarget )
                    myopen(e.currentTarget.externalSrc);
                else if ( e.srcElement )
                    myopen(e.srcElement.externalSrc);
                    
                
                
                return false;
            };
            
            if( links[i].addEventListener ) {
                links[i].addEventListener("click",clickHandler,false);
            } else if( links[i].attachEvent ) {
                links[i].attachEvent("onclick",clickHandler); 
            }
        }
        else if (links[i].className.indexOf("exit") != -1) {
                        links[i].externalSrc = links[i].href;
            links[i].href = "#";
            
            var clickHandler = function(e) { 
                if( e.cancelable ) { 
                    e.preventDefault();
                    window.cancelBubble=true;
                }
                
                if( e.currentTarget )
                    openandclose(e.currentTarget.externalSrc);
                else if ( e.srcElement )
                    openandclose(e.srcElement.externalSrc);
                    
                return false;
            };
            
            if( links[i].addEventListener ) {
                links[i].addEventListener("click",clickHandler,false);
            } else if( links[i].attachEvent ) {
                links[i].attachEvent("onclick",clickHandler); 
            }
        }    
    }
}

if( window.addEventListener ) {
    window.addEventListener("load",eventHandler,false);
} else if( window.attachEvent ) {
    window.attachEvent("onload",eventHandler);
}