function prepareOnloadFunction(func){
	var oldonload = window.onload;
	if(typeof window.onload != 'function'){
		window.onload = func;
	}else{
			window.onload = function(){
				oldonload();func();
			}
	}
}

//strictで新規ウィンドウを立ち上げる http://www.tk1975.com/contents/strict_new_win.php
function newWin(){
	var newWin = "link_blank"
	tk1975_newWin(newWin);
	}
prepareOnloadFunction(newWin);

function tk1975_newWin(className){
	if(!document.getElementsByTagName("a")) return false;
	var links = document.getElementsByTagName("a");
	for(var i=0; i<links.length; i++){
		if(links[i].className.indexOf(className) == -1) continue;
		if(links[i].className.indexOf(className) != -1){
			links[i].onclick = function(){
				var hrefTxt = this.getAttribute("href");
				window.open(hrefTxt,"","");
				return false;
				}
			}
		}
	}