function getPage(str){
//	alert(document.getElementById(str));
	var http = 'http://members.e-omi.ne.jp/kiraku/shared/img/';
	if(str == 'home') {
		document.getElementById(str).src= http+'header_on_02.gif';	
	}else if(str == 'shop'){
		document.getElementById(str).src= http+'header_on_04.gif';	
	}else if(str == 'item'){
		document.getElementById(str).src= http+'header_on_06.gif';	
	}else if(str == 'access'){
		document.getElementById(str).src= http+'header_on_08.gif';	
	}
}

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.className == "external" || anchor.getAttribute("href") &&anchor.className == "externalimg") {
			anchor.onclick = function(event){return popupWindow(this, event);}
			anchor.onkeypress = function(event){return popupWindow(this, event);}
		}
	}
}

function popupWindow(anchor, event){
	var keyCode;
	if (event && event.type == 'keypress') {
		if (event.keyCode)
		keyCode = event.keyCode;
		else if (event.which)
		keyCode = event.which;
		// 13 == Return key. 32 == space key
		if (keyCode != 13 && keyCode != 32)
		return true;
	}
	return !window.open(anchor);
}

Event.observe(window,'load', externalLinks, false);