function CreateBookmarkLink(){
	var title = document.title;
	var url   = location.href;
	if (window.sidebar) // ff
	window.sidebar.addPanel(title, url, "");
	else if(window.opera && window.print){ // opera
		var e=document.createElement("a");
		e.setAttribute("href",url);
		e.setAttribute("title",name);
		e.setAttribute("rel","sidebar");
		e.click();

	} else if(document.all) // mozaic
		window.external.AddFavorite(url, title);
}
<!--myspace-->
function GetThis(T, C, U, L)
{
    var targetUrl = 'http://www.myspace.com/index.cfm?fuseaction=postto&' + 't=' + encodeURIComponent(T)
    + '&c=' + encodeURIComponent(C) + '&u=' + encodeURIComponent(U) + '&l=' + L;
    window.open(targetUrl);
}
<!--facebook-->
function fbs_click() 
{
	u=location.href;
	t=document.title;window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t),'sharer','toolbar=0,status=0,width=626,height=436');
	return false;
}