// JavaScript Document
function externalLinks() {  
if (!document.getElementsByTagName) return;
var anchors = document.getElementsByTagName("a");  
for (var i=0; i<anchors.length; i++) {  
var anchor = anchors[i];  
if (anchor.getAttribute("href") &&  
anchor.getAttribute("rel") == "winOpen")  
anchor.target = "_blank";  
}  
} 
if(window.location!="http://www.g-up.com/"){
window.onload=externalLinks;  
}
// <a href="" rel="winOpen">xxx</a> で別ウィンドウで開く