///////// Roll Over Image ////////////
window.onload = preLoadImg;
var preLoadFlag = "false";

function preLoadImg(){
	arrImgList = new Array(
		"/img/btn_home_active.gif",
		"/img/btn_tour_active.gif",
		"/img/btn_contact_active.gif"
		);

	arrPreLoad = new Array();
	for (i in arrImgList) {
		arrPreLoad[i] = new Image();
		arrPreLoad[i].src = arrImgList[i];
	}
	preLoadFlag = "true";
}

function chgImg(fileName,imgName){
	if (preLoadFlag == "true") {
		document.images[imgName].src = fileName;
	}
}

///////// Window Open ////////////
function openWindow(URL,Winname,intW,intH){
	if(navigator.appVersion.indexOf("Windows") > -1) intW = parseInt(intW) + 16;
	newwin = window.open(URL,Winname,"width="+intW+",height="+intH+",scrollbars=yes,resizable=yes,toolbar=yes,location=no,directories=no,status=no,menubar=yes");
	newwin.focus();
}