//Preload 
preImages = new Array("../../../images/button_home-on.gif","../../../images/button_news-on.gif","../../../images/button_business-on.gif","../../../images/button_corpinfo-on.gif","../../../images/button_recruit-on.gif","../../../images/button_recruit_idx-on.gif","../../../images/button_requirement-on.gif","../../../images/button_application-on.gif","../../../images/button_voice-on.gif","../../../images/button_club-on.gif","../../../images/button_privacy-on.gif","../../../images/button_contact.gif");
preload   = new Array();
for (i=0; i<preImages.length; i++) {
	preload[i] = new Image();
	preload[i].src = preImages[i];
}
//Rollover
function imgRollover(imgName){
	if(document.images){
		document.getElementById(imgName).src = "../../../images/" + imgName + "-on.gif";
	}
}
//RollOut
function imgRollout(imgName){
	if(document.images){
		document.getElementById(imgName).src = "../../../images/" + imgName + ".gif";
	}
}