function goTo(url)
{
	document.location.href = url;
}

function historyBack()
{
	history.back();
}

function Menu(id,mode)
{
 	switch(mode)
	{
		case 'v':
		{
			document.getElementById(id).style.visibility = 'visible';
			break;  
		}  
	  	case 'h':
	  	{
			document.getElementById(id).style.visibility = 'hidden';
			break;  
		}  
 	} 
}

function addbookmark()
{ 
  	var bookmarkurl=document.location; 
	var bookmarktitle=document.title; 
	if (document.all) window.external.AddFavorite(bookmarkurl,bookmarktitle);
}