if (navigator.appName == 'Netscape') {
	HTMLElement.prototype.click = function() {
		var evt = this.ownerDocument.createEvent('MouseEvents');
		evt.initMouseEvent('click', true, true, this.ownerDocument.defaultView, 1, 0, 0, 0, 0, false, false, false, false, 0, null);
		this.dispatchEvent(evt);
	}
}

function ValidateForm(required, error) {
	var ok = true;

	if (required['agree'] != null && required['agree'] != "") {
		var agree = document.getElementById('agree');
		var agree_label = document.getElementById('agree_label');

		if (! agree.checked ) {
			agree_label.className = 'agreeE';
			ok = false;
		} else {
			agree_label.className = '';
			ok = true;
		}
	}

	for (var k_id in required) {
		if (k_id == 'agree') {
			continue;
		}

		var input = document.getElementById(k_id);
		var label = document.getElementById(required[k_id]);

		if (input == null) {
			continue;
		}

		if (input.value == null || input.value == '') {
			ok = false;
			label.className = 'w80e';
			if (input.name == 'plz') {
				input.className = 'smalle';
			} else if (input.name == 'city') {
				input.className = 'middlee';
			} else if (input.name == 'file1') {
				input.className = 'fakee';
			} else if (input.name == 'description') {
				input.className = 'textareabige';
			} else {
				input.className = 'bige';
			}
		} else {
			label.className = 'w80';
			if (input.name == 'plz') {
				input.className = 'small';
			} else if (input.name == 'city') {
				input.className = 'middle';
			} else if (input.name == 'file1') {
				input.className = 'fake';
			} else if (input.name == 'description') {
				input.className = 'textareabig';
			} else {
				input.className = 'big';
			}
		}
	}

	if (! ok) {
		document.getElementById(error).style.display = '';
	} else {
		document.getElementById('mailform').submit();
	}

	return false;
}

//global variables that can be used by ALL the function son this page.
var inputs;
var imgFalse = '/fileadmin/templates/main/_img/false.gif';
var imgTrue = '/fileadmin/templates/main/_img/true.gif';

//this function runs when the page is loaded, put all your other onload stuff in here too.
function init() {
	replaceChecks();
}

function replaceChecks() {
	
	//get all the input fields on the page
	inputs = document.getElementsByTagName('input');

	//cycle trough the input fields
	for(var i=0; i < inputs.length; i++) {

		//check if the input is a checkbox
		if(inputs[i].getAttribute('type') == 'checkbox') {
			
			//create a new image
			var img = document.createElement('img');
			
			//check if the checkbox is checked
			if(inputs[i].checked) {
				img.src = imgTrue;
			} else {
				img.src = imgFalse;
			}

			//set image ID and onclick action
			img.id = 'checkImage'+i;
			//set image 
			img.onclick = new Function('checkChange('+i+')');
			//place image in front of the checkbox
			inputs[i].parentNode.insertBefore(img, inputs[i]);
			
			//hide the checkbox
			inputs[i].style.display='none';
		}
	}
}

//change the checkbox status and the replacement image
function checkChange(i) {

	if(inputs[i].checked) {
		inputs[i].checked = '';
		document.getElementById('checkImage'+i).src=imgFalse;
	} else {
		inputs[i].checked = 'checked';
		document.getElementById('checkImage'+i).src=imgTrue;
	}
}

window.onload = init;