////////////////////////////////////////////////////// FORM VALIDATION

function chcont(){

	if(isEmpty(document.getElementById('name'), "Ievadiet lūdzu savu vārdu!")){

		if(isEmail(document.getElementById('email'), "Ievadiet lūdzu pareizu e-pastu!")){

			if(isEmpty(document.getElementById('txt'), "Ievadiet lūdzu tekstu!")){

				return true;

			}

		}

	}

	return false;

}
function chkdwnld(frm){
    var submform = document.getElementById(frm);
	if(isEmpty(document.getElementById('name'), "Ievadiet lūdzu savu vārdu!")){

		if(isEmail(document.getElementById('email'), "Ievadiet lūdzu pareizu e-pastu!")){

			if(countChecked(document.getElementById('catalog'),"Izvēlieties lūdzu lejuplādes failu!")){

//				return true;
				submform.submit();
			}

		}

	}

	return false;

}


////////////////////////////////////////////////////// FORM VALIDATION GLOBAL

function isEmpty(elem, helperMsg){

	if(elem.value.length == 0){

		alert(helperMsg);

		elem.focus();

		return false;

	}else{

		return true;

	}

}


function isEmail(elem, helperMsg){

	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;

	if(elem.value.match(emailExp)){

		return true;

	}else{

		alert(helperMsg);

		elem.focus();

		return false;

	}

}

function countChecked(elem,helperMsg) {
    var n = $("input:checked").length;
      if(n > 0)
	  return true;
      else
	alert(helperMsg);
	elem.focus();
	return false;
}