function setFocus(elem) {
	if (document.getElementById(elem) != null)
		document.getElementById(elem).focus();
}

function MouseOver(elem) {
				if (elem == 'menu0') {
					document.menu0.src="/isuia/images/btnHome1.gif";
				} else if (elem == 'menu1') {
					document.menu1.src="/isuia/images/btnLogin1.gif";
				} else if (elem == 'menu2') {
				    document.menu2.src="/isuia/images/btnMenu1.gif";
				} else if (elem == 'menu3') {
					document.menu3.src="/isuia/images/btnBackground1.gif";
				} else if (elem == 'menu4') {
					document.menu4.src="/isuia/images/btnContact1.gif";
				} else if (elem == 'menu5') {
					document.menu5.src="/isuia/images/btnLogout1.gif";
				}
			}
			
			function MouseOut(elem) {
				if (elem == 'menu0') {
					document.menu0.src="/isuia/images/btnHome.gif";
				} else if (elem == 'menu1') {
					document.menu1.src="/isuia/images/btnLogin.gif";
				} else if (elem == 'menu2') {
					document.menu2.src="/isuia/images/btnMenu.gif";
				} else if (elem == 'menu3') {
					document.menu3.src="/isuia/images/btnBackground.gif";
				} else if (elem == 'menu4') {
					document.menu4.src="/isuia/images/btnContact.gif";
				} else if (elem == 'menu5') {
					document.menu5.src="/isuia/images/btnLogout.gif";
				}
			}