var linkUrl;

function captureButton(event)
{
    var button;
    if (event.which == null)
       onButtonClick( event.button )
    else 
	   onButtonClick( event.which );
                 
    preventOperation(event);
}

function preventOperation(event)
{
    if (event.preventDefault)
        event.preventDefault();
    else
        event.returnValue= false;
     return false;
}

function onButtonClick( number )
{
	if( number == 2 && linkUrl != undefined)
	{
		window.open( linkUrl, "_blank" );
	}
}

function setLinkUrl( url )
{
	linkUrl = url;
}