document.menuImages = new Array();
var imagePath = '/projects/HumboldtInnovation/static/custom/image/'
document.menuImages[0] = imagePath + 'dotts.jpg';
document.menuImages[1] = imagePath + 'menu_main_over.jpg';
document.menuImages[2] = imagePath + 'menu_border_submenu.png'; 
document.preloader = new Array();

for(var i = 0; i < document.menuImages.length; i++) {
	document.preloader[i] = new Image();
	document.preloader[i].src = document.menuImages[i];
}

function showMenu(menuId) {
    document.getElementById(menuId).style.visibility='visible';
}

function hideMenu(menuId) {
    document.getElementById(menuId).style.visibility='hidden';
}

function checkLoginFormSubmit(formDestURL){
	var loginForm = document.forms.loginForm;
	
	var sendFormOK = true;
	
	if(loginForm.groupPassword.value == ''){
		sendFormOK = false;
		loginForm.groupPassword.focus();
		
	}
	
	if(loginForm.groupUsername.value == ''){
		sendFormOK = false;
		loginForm.groupUsername.focus();
		
	}
	
	if(sendFormOK){
		loginForm.action = formDestURL;
		loginForm.submit();
	}
}