// JavaScript Document
var d = document;
var co = d.coform;
var ErrorStil = "2px solid #008364";
var NormalStil = "1px solid #999999";

function CheckFilling(){
	error = 0;
	if (d.getElementById('Res_SurName').value == "") {
		error = 1;
	}
	if (d.getElementById('Res_LastName').value == "") {
		error = 1;
	}
	if ((d.getElementById('Res_Email').value.indexOf('@') == -1) || (d.getElementById('Res_Email').value.indexOf('.') == -1)){
		error = 1;
	}
	if(error == 1){
		d.getElementById('button_send').disabled = true;
	} else {
		d.getElementById('button_send').disabled = false;	
	}
}

function CheckForm(){
		
		var Error = 0;
		var CheckEmail = 0;
	  	
		if (d.getElementById('Res_SurName').value == "") {
			Error = 1;
			alert ('Bitte geben Sie einen Vornamen an.');
			d.getElementById('Res_SurName').style.border = ErrorStil;
			d.getElementById('SurNameInfo').style.visibility = "visible";
		} else {
			d.getElementById('Res_SurName').style.border = NormalStil;
			d.getElementById('SurNameInfo').style.visibility = "hidden";
		}
		
		if (d.getElementById('Res_LastName').value == "") {
			Error = 1;
			alert('Bitte geben Sie einen Nachnamen an.');
			d.getElementById('Res_LastName').style.border = ErrorStil;
			d.getElementById('LastNameInfo').style.visibility = "visible";
		} else {
			d.getElementById('Res_LastName').style.border = NormalStil;
			d.getElementById('LastNameInfo').style.visibility = "hidden";
		} 
		
		if (d.getElementById('Res_Email').value == "") {
			Error = 1;
			alert('Bitte geben Sie eine korrekte E-Mail Adresse an.');
			d.getElementById('Res_Email').style.border = ErrorStil;	
			d.getElementById('EmailInfo').style.visibility = "visible";
		} else {
			d.getElementById('Res_Email').style.border = NormalStil;	
			d.getElementById('EmailInfo').style.visibility = "hidden";
			CheckEmail = 1;
		}
		
		if (CheckEmail == 1){
			if ((d.getElementById('Res_Email').value.indexOf('@') == -1) || (d.getElementById('Res_Email').value.indexOf('.') == -1)){
				Error = 1;
				alert('Die von Ihnen angegebene E-Mail Adresse entspricht nicht den korrekten Konvetionen.\nBitte überprüfen Sie Ihre Eingabe noch einmal.');
				d.getElementById('Res_Email').style.border = ErrorStil;	
				d.getElementById('EmailInfo').style.visibility = "visible";
			} else {
				d.getElementById('Res_Email').style.border = NormalStil;	
				d.getElementById('EmailInfo').style.visibility = "hidden";
			}
		}
		
		if (Error == 0) {	
			document.forms[0].submit();
		}
}