function myAddEvent(myNode, myEvent, myFunction)
	{
		if (myNode.addEventListener)
		{
			myNode.addEventListener(myEvent, myFunction, false);
		}
		else
		{
			myNode.attachEvent("on"+myEvent, myFunction);
		}
	}



function getElementsByClass(searchClass,node,tag) { //from http://www.dustindiaz.com/getelementsbyclass/
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\\\s)"+searchClass+"(\\\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}



function setTarget() {
	var targets = getElementsByClass('target_blank', document)
	
	for (var i=0; i<targets.length; i++) {
		targets[i].setAttribute('target', '_blank');
	}
}


myAddEvent(window, 'load', setTarget);