function ChangeLink(obj){
	document.location.href = obj.value;
}

// function to change images when mouse over
function ChangeImageOver(img,imgsrc) {
	if (document.images)
		document.images[img].src = imgsrc
}

// function to change images when mouse out
function ChangeImageOut(img,imgsrc) {
	if (document.images)
		document.images[img].src = imgsrc
}

function switchmenu(itm){
	
	$('submenu1').style.display = 'none';
	$('submenu2').style.display = 'none';
	$('submenu3').style.display = 'none';
	$('submenu4').style.display = 'none';
	$('submenu5').style.display = 'none';
	$('submenu6').style.display = 'none';
	$('submenu7').style.display = 'none';
	$('submenu8').style.display = 'none';

	if (itm == 1){
		$('submenu1').style.display = 'block';
	}
	if (itm == 2){
		$('submenu2').style.display = 'block';
	}
	if (itm == 3){
		$('submenu3').style.display = 'block';
	}
	if (itm == 4){
		$('submenu4').style.display = 'block';
	}
	if (itm == 5){
		$('submenu5').style.display = 'block';
	}
	if (itm == 6){
		$('submenu6').style.display = 'block';
	}	
	if (itm == 7){
		$('submenu7').style.display = 'block';
	}	
	if (itm == 8){
		$('submenu8').style.display = 'block';
	}	
}

function switchoffmenu(itm){
	
	$('submenu1').style.display = 'block';
	$('submenu2').style.display = 'block';
	$('submenu3').style.display = 'block';
	$('submenu4').style.display = 'block';
	$('submenu5').style.display = 'block';
	$('submenu6').style.display = 'block';
	$('submenu7').style.display = 'block';
	$('submenu8').style.display = 'block';

	if (itm == 1){
		$('submenu1').style.display = 'none';
	}
	if (itm == 2){
		$('submenu2').style.display = 'none';
	}
	if (itm == 3){
		$('submenu3').style.display = 'none';
	}
	if (itm == 4){
		$('submenu4').style.display = 'none';
	}
	if (itm == 5){
		$('submenu5').style.display = 'none';
	}
	if (itm == 7){
		$('submenu7').style.display = 'none';
	}	
	if (itm == 8){
		$('submenu8').style.display = 'none';
	}
}