function trim(s) {
   return s.replace(/^\s+|\s+$/g, '');
}

function isValidEmail(str) {
   return (str.indexOf(".") >= 1) && (str.indexOf("@") > 0);
}


function getCheckedRadioValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}
function beforeSubmitCheckApplicationRHMD() {//rack,housing,managed,dedicated
var success = true;
//reset colors
//$('#obchodni_email').css('background','white'); 
//$('#mesto').css('background','white'); 
//$('#ulice').css('background','white'); 
//$('#psc').css('background','white'); 

//psc = trim(document.getElementById('psc').value);
//ulice = trim(document.getElementById('ulice').value);
//mesto = trim(document.getElementById('mesto').value);
//show bad red
/*if(!psc) {
	$('#psc').css('background','red'); 
	success = false;
}
if(!mesto) {
	$('#mesto').css('background','red'); 
	success = false;
}
if(!ulice) {
	$('#ulice').css('background','red'); 
	success = false;
}*/

if(!isValidEmail($('#obchodni_email').val())) { 
	$('#obchodni_email').css('background','red'); 
	success = false;
}
//where to focus?? - podle poradi
if(!success) { //mail blbe
	alert('Zadajte platný e-mail.'); 
	$('#obchodni_email').focus(); 
}

if(success) return true;
else return false;
}