if (document.images) {

	homeUp = new Image();      
	homeUp.src = "images/home_140x27.gif";
	homeOver = new Image(); 
	homeOver.src = "images/homeOver_140x27.gif";

	officersUp = new Image();      
	officersUp.src = "images/officers_140x18.gif";
	officersOver = new Image(); 
	officersOver.src = "images/officersOver_140x18.gif";

	meetingMinutesUp = new Image();      
	meetingMinutesUp.src = "images/meetingMinutes_140x19.gif";
	meetingMinutesOver = new Image(); 
	meetingMinutesOver.src = "images/meetingMinutesOver_140x19.gif";

	linksUp = new Image();      
	linksUp.src = "images/links_140x17.gif";
	linksOver = new Image(); 
	linksOver.src = "images/linksOver_140x17.gif";

	newsUp = new Image();      
	newsUp.src = "images/news_140x18.gif";
	newsOver = new Image(); 
	newsOver.src = "images/newsOver_140x18.gif";

	renewAccountUp = new Image();      
	renewAccountUp.src = "images/renewAccount_140x18.gif";
	renewAccountOver = new Image(); 
	renewAccountOver.src = "images/renewAccountOver_140x18.gif";

	joinIEEEUp = new Image();      
	joinIEEEUp.src = "images/joinIEEE_140x19.gif";
	joinIEEEOver = new Image(); 
	joinIEEEOver.src = "images/joinIEEEOver_140x19.gif";
}

function imgOver(imgName) {

	if (document.images)
		document[imgName].src = eval(imgName + "Over.src");
}

function imgUp(imgName) {

	if (document.images)
    	document[imgName].src = eval(imgName + "Up.src");
}