function uncheck() {
	document.forms.agreeform.agreecheck.checked=false
}

function agreesubmit(box) {
	var checkobj=box
	if (document.all||document.getElementById) {
		for (i=0;i<checkobj.form.length;i++) {
			var tempobj=checkobj.form.elements[i]
			if(tempobj.type.toLowerCase()=="submit") tempobj.disabled=!checkobj.checked
		}
	}
}

function submitonce(theform) {
	if (document.all||document.getElementById) {
		for (i=0;i<theform.length;i++) {
			var tempobj=theform.elements[i]
			if(tempobj.type.toLowerCase()=="submit"||tempobj.type.toLowerCase()=="reset")
			tempobj.disabled=true
		}
	}
}

function formCheck(formobj){
	var fieldRequired = Array("replyemail", "comments");
	var fieldDescription = Array("je e-mailadres", "je bericht");
	var alertMsg = "Je moet de volgende velden nog invullen:\n";
	var l_Msg = alertMsg.length;
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
				if (obj.value == "" || obj.value == null || obj.value == "je e-mailadres *"){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "textarea":
				if (obj.value == "" || obj.value == null || obj.value == "je bericht *"){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg) {
		submitonce(formobj);
		return true;
	}
	else {
		alert(alertMsg);
		return false;
	}
}