function target_blank_element_links(id)
{
	if (!document.getElementById || !document.getElementsByTagName) return; 
	var e = document.getElementById(id); 
	if (!e) return;
	var anchors = e.getElementsByTagName("a"); 		
	for (var i = 0; i < anchors.length; i++) { 
		var a = anchors[i]; 
		if (a.getAttribute("href")) a.target = "_blank"; 
	}
}

function target_blank_external_links()
{ 
	if (!document.getElementsByTagName) return; 
	var anchors = document.getElementsByTagName("a"); 
	for (var i = 0; i < anchors.length; i++) { 
		var a = anchors[i]; 
		if (a.getAttribute("href") && a.getAttribute("rel") == "external") a.target = "_blank"; 
	} 
} 

function a_tb(a)
{
	a.target = "_blank";
}