$('a[href^="http://"]').attr("target", "_blank");

function initButtons(){
	var inputs = document.getElementsByTagName("input");
	for (var i = 0; i<inputs.length; i++){
		if(inputs[i].type=="image"){
			addAnEvent(inputs.item(i),'mouseover',buttonHover);
			addAnEvent(inputs.item(i),'mouseout',buttonHoverout);
			inputs.item(i).style.borderWidth = "0px"
		}
	}	
}
function buttonHover(){
	if (this.src.indexOf("1") == -1){
		var file = this.src.split(".gif");
		this.src = file[0] + "1.gif";
	}
}
function buttonHoverout(){
	var file = this.src.split("1.gif");
	this.src = file[0] + ".gif";
}

function addAnEvent(target, eventName, functionName){
	eval('target.on'+eventName+'=functionName');
}

function initPage(){
	if (document.getElementById){
		initButtons();
	}
}

window.onload=initPage;