function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
var preloadFlag = false;
function preloadImages() {

	if (document.images) {
		headnavi_01  = newImage("./images/headnavi_01.gif");
		headnavi_02  = newImage("./images/headnavi_02.gif");
		headnavi_03  = newImage("./images/headnavi_03.gif");
		headnavi_04  = newImage("./images/headnavi_04.gif");

		headnavi_01_hover  = newImage("./images/headnavi_01_hover.gif");
		headnavi_02_hover  = newImage("./images/headnavi_02_hover.gif");
		headnavi_03_hover  = newImage("./images/headnavi_03_hover.gif");
		headnavi_04_hover  = newImage("./images/headnavi_04_hover.gif");

		preloadFlag = true;
	}
}





function MM_jumpMenu(targ,selObj,restore){
	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	if (restore) selObj.selectedIndex=0;
}