function showSubMenue(index){
	hideSubMenue();
	switch (index){
		case 1:
			var elem = document.getElementById('subMenu_1');
			elem.style.zIndex = "100";
            elem.style.height = "260px";
			elem.style.marginLeft="400px";
			elem.style.width="150px";
			break;
		case 2:
			var elem = document.getElementById('subMenu_2');
			elem.style.zIndex = "100";
            elem.style.height = "80px";
  			elem.style.marginLeft="610px";
			elem.style.width="250px";
			break;
	}
}

function hideSubMenue(index){
	switch (index){
		case 1:
			var elem = document.getElementById('subMenu_1');
			elem.style.height = "0px";
			break;
		case 2:
			var elem = document.getElementById('subMenu_2');
			elem.style.height = "0px";
			break;
		default:
			hideSubMenue(1);
			hideSubMenue(2);
			break;
	}

}