NaviImg = new Array();
NaviImg[0] = "../img/common/globalmenu_design_on.gif";
NaviImg[1] = "../img/common/globalmenu_plan.gif";
NaviImg[2] = "../img/common/globalmenu_rates.gif";
NaviImg[3] = "../img/common/globalmenu_service.gif";
NaviImg[4] = "../img/common/globalmenu_terms.gif";
NaviImg[5] = "../img/common/globalmenu_access.gif";

NaviPre = new Array();
for(i=0;i<NaviImg.length;i++){
	NaviPre[i] = new Image();
	NaviPre[i].src = NaviImg[i];
}

window.onload = changeSet;


/* global mouseover script */
function changeSet() {
	var linkObj = document.getElementById("global-menu").getElementsByTagName("img");
	for(var i=0; i<linkObj.length; i++){
		if(linkObj[i].className != 'on'){
			linkObj[i].onmouseover = function(){changeImg(this)};
			linkObj[i].onmouseout  = function(){changeImg(this)};
		}
	}
} 

function changeImg(tagObj) {
	if(!tagObj.src.match(/_on\.gif/)) {
		tagObj.src=tagObj.src.slice(0,-4)+"_on.gif";
	} else {
		tagObj.src=tagObj.src.slice(0,-7)+".gif";
	}
}