function addbookmark()
{
	var IE = navigator.appName.match(/(Microsoft Internet Explorer)/gi),
   NS = navigator.appName.match(/(Netscape)/gi),
    OP = navigator.appName.match(/(Opera)/gi),
   BK = document.getElementById('bookmark');
	
    BK.onmouseout = function()
	{

   	   window.status = '';
    }
    if(IE && document.uniqueID)
	{
		var bookmarkurl="http://www.lightingzilla.com/";
		var bookmarktitle="Welcome to Lightingzilla.com";
		window.external.AddFavorite(bookmarkurl,bookmarktitle);
    }
    else if(OP || IE && !document.uniqueID)
	{
       alert('Your browser requires that you\nPress Ctrl & T to Bookmark this page.');              
    }
   else if(NS)
	{
       alert('Your browser requires that you\nPress Ctrl & D to Bookmark this page.');     
   }
    else{ BK.innerHTML = '' }
}