var error = false; 

function check() {

	error = false;

	if ($('#first_name').val() == "") {
		$('#first_name').css("background-color","#ffca94");
		error = true;	
	} else {
		$('#first_name').css("background-color","white");
	}
	
	if ($('#last_name').val() == "") {
		$('#last_name').css("background-color","#ffca94");
		error = true;	
	} else {
		$('#last_name').css("background-color","white");
	}
	
	if ($('#company').val() == "") {
		$('#company').css("background-color","#ffca94");
		error = true;	
	} else {
		$('#company').css("background-color","white");
	}
	
	if ($('#email').val() == "") {
		$('#email').css("background-color","#ffca94");
		error = true;	
	} else {
		$('#email').css("background-color","white");
	}
	
	if ($('#phone_w2l').val() == "") {
		$('#phone_w2l').css("background-color","#ffca94");
		error = true;	
	} else {
		$('#phone_w2l').css("background-color","white");
	}


	if (!error) {
		// formular abschicken
		$('#incompleteFormMessage').css("display","none");
		$('#requiredMsg').css("display","block");
		return(true);
	} else {
		$('#incompleteFormMessage').css("display","block");
		$('#requiredMsg').css("display","none");
		return false;
	}
}