function validate (what,subject,arg1,arg2) {
	switch(what) {
		case "order":
		// order
		return (subject.length > 0);
		break;
		case "minlength":
		// minlength [min]
		return (subject.length >= arg1);
		break;
		case "maxlength":
		// maxlength [max]
		return (subject.length <= arg1);
		break;
		case "inlength":
		// inlength [min, max]
		return (subject.length >= arg1 && subject.length <= arg2);
		break;
		case "blacklist":
		// blacklist [Wert1, Wert2, Wert3, ...]
		var temp = new Boolean(true);
		for(x=0;x<arg1.length;x++) {
			if(subject == arg1[x]) {temp = new Boolean(false);}
		}		
		return temp;
		break;
		case "isstring":
		// isString
		if(new Boolean(subject.match(/\W/)) == false) { temp = new Boolean(true); } else { temp = new Boolean(false); }
		return temp;
		break;
		case "textonly":
		// textonly
		return (new Boolean(subject.match(/^[a-zA-Z]*$/)));
		break;
		case "nochar":
		// noChar [Char or Range]
		eval('var ausdruck = /'+arg1+'/;');
		return (new Boolean(!subject.match(ausdruck)));
		break;
		case "onlychar":
		// onlyChar [Char or Range]
		eval('var ausdruck = /^'+arg1+'*$/;');
		return (new Boolean(subject.match(ausdruck)));
		break;
		case "lowchar":
		// lowChar
		return (subject == subject.toLowerCase());
		break;
		case "hichar":
		// hiChar
		return (subject == subject.toUpperCase());
		break;
		case "isnum":
		// isNum [+/-]
		if(isNaN(subject)) { return false; }
		switch(arg1) {
		case "+":
		return (subject > 0);
		break;
		case "-":
		return (subject < 0);
		break;
		default:
		return true;
		break; }
		break;
		case "isfloat":
		// isfloat [+/-, Nachkommastellen]
		if(isNaN(subject)) { return false; }
		if(arg2 > 0 && (subject.lastIndexOf(".") != (subject.length - (arg2 + 1)))) { return false; }
		switch(arg1) {
		case "+":
		return (subject > 0);
		break;
		case "-":
		return (subject < 0);
		break;
		default:
		return true;
		break; }
		break;
		case "minwert":
		// minWert [Wert]
		return (subject >= parseFloat(arg1));
		break;
		case "maxwert":
		// maxWert [Wert]
		return (subject <= parseFloat(arg1));
		break;
		case "inwert":
		// inWert [min, max]
		return (subject >= parseFloat(arg1) && subject <= parseFloat(arg2));
		break;
		case "isdate":
		// isDate
		var datum = subject.split(".");
		var temp = new Date(datum[2],datum[1]-1,datum[0]);
		var temp2 = new Date();
		temp2.setTime(temp.getTime());
		if(datum[2] != temp2.getFullYear()) { return false; }
		else {
			if(datum[1] != (temp2.getMonth() + 1)) { return false; }
			else {
				if(datum[0] != temp2.getDate()) { return false; }
				else { return true; }
			}
		}
		break;
		case "istime":
		// isTime [sek]
		var zeit = subject.split(":");
		return (zeit[0] < 24 && zeit[0] >= 0 && zeit[1] < 60 && zeit[1] >= 0 && (arg1 <= 0 || (zeit[2] < 60 && zeit[2] >= 0)));
		break;
		case "isdatetime":
		// isDatetime
		var datetime = subject.split(" ");
		return (validate("isdate",datetime[0]) && validate("istime",datetime[1],"1"));
		break;
		case "isemail":
		// isemail
		return (new Boolean(subject.match(/^[0-9a-zA-Z._\-äöüßÄÖÜ]+@[0-9a-zA-Z._\-äöüßÄÖÜ]{2,}\.[a-zA-Z]{2,4}$/)));
		break;
		case "isurl":
		var Ausdruck = "[0-9a-zA-Z@._\\-äöüßÄÖÜ]*[0-9a-zA-Z._\\-äöüßÄÖÜ]{2,}\\.[a-zA-Z]{2,4}[\\\/]*.*";
		if(arg1 > 0) { Ausdruck = "[a-z]{3,5}:\\\/\\\/"+Ausdruck; }
		else { Ausdruck = "([a-z]{3,5}:\\\/\\\/)*"+Ausdruck; }
		eval("Ausdruck = \/^"+Ausdruck+"$\/;");		
		// isurl (Noch nicht implementiert.)
		return (new Boolean(subject.match(Ausdruck)));
		break;
		case "eval":
		// eval [Code]
		return eval(arg1);
		break;
		case "include":
		// include [Datei]
		document.write("<script language=\"javascript\" type=\"text/javascript\" src=\""+arg1+"\"><\/script>");
		return true;
		break;
		case "regexp":
		// regexp [REGEXP]
		return (subject.match(arg1));
		break;
		default:
		return true;
	}
}

function proof_one(formname,myspeciarray,feldname) {
	var subject = document.forms[formname].elements[feldname].value;
	if(document.forms[formname].elements[feldname].type == 'checkbox' && document.forms[formname].elements[feldname].checked == false) {
		subject = "";
	}
	// zuerst trimmen
	var trimmer = /^\s*(.*)\s*$/;
	trimmer.exec(subject);
	subject = RegExp.$1;
	var this_err_arr = new Array();
	for(var regeln in myspeciarray[feldname]) {
		if(regeln == "order" || (regeln != "order" && subject.length > 0)) {
			// einzelne Regeln prüfen
			var isda = new Boolean(false);
			for(var bla in myspeciarray[feldname][regeln]) {
				if(bla == 'js') { isda = new Boolean(true); }
			}
			if(isda == true) {
				var para1 = myspeciarray[feldname][regeln]['js'][0];
			} else {
				var para1 = "";
			}
			if(isda == true && myspeciarray[feldname][regeln]['js'].length > 1) {
				var para2 = myspeciarray[feldname][regeln]['js'][1];
			} else {
				var para2 = "";
			}
			if(validate(regeln,subject,para1,para2) == false) {
				// Fehler dem Array hinzufügen
				this_err_arr.push(myspeciarray[feldname][regeln]['err']);
			}
		}
	}
	if(this_err_arr.length > 0) {
		err_arr[formname+'_arr'][feldname] = this_err_arr;
		return false;
	}
	else {
		err_arr[formname+'_arr'][feldname] = new Array();
		return true;
	}
//	return this_err_arr;
}

function proof (formname,arrname) {
	var zuruck = new Boolean(true);
//	err_arr[formname] = new Array();
	for(var feld in arrname) {
//		err_arr[formname][feld] = new Array(proof_one(formname,arrname,feld));
		if(proof_one(formname,arrname,feld) == false) { zuruck = new Boolean(false); }
	}
	return zuruck;
}

function XX_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=XX_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function XX_setTextOfLayer(objName,x,newText) { //v4.01
  if ((obj=XX_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}

function XX_changeProp(objName,x,theProp,theValue) { //v6.0
  var obj = XX_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}

function XX_showHideLayers() { //v6.0
  var i,p,v,obj,args=XX_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=XX_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function update_errlayer(formname,arrbezeichner,layername) {
	eval("var arr = "+arrbezeichner+";");
	eval("var reversearr = "+arrbezeichner+"_reverse;");
	var allerr = new Array();
	for(x=0;x<reversearr[layername].length;x++) {
		for(y=0;y<err_arr[formname+'_arr'][reversearr[layername][x]].length;y++) {
			allerr.push(err_arr[formname+'_arr'][reversearr[layername][x]][y]);
		}
	}
	var new_text = "";
	var temper = 0;
	for(x=0;x<allerr.length;x++) {
		if(allerr[x] != "" && allerr[x] != undefined) {
			new_text = new_text + "<img src=\"images\/required_h.gif\"> "+allerr[x]+"<br>";
			temper = 1;
		}
	}
	if(temper == 1) {
		XX_setTextOfLayer(layername,'',new_text);
		XX_changeProp(layername,'','style.position','static','DIV');
		XX_showHideLayers(layername,'','show');
	}
	else {
		XX_setTextOfLayer(layername,'','');
		XX_changeProp(layername,'','style.position','absolute','DIV');
		XX_showHideLayers(layername,'','hide');
	}
}

function focus_me(formname,feldname) {
	eval("var arrname = "+formname+"_arr;");
	temp = document.forms[formname].elements[feldname].className.split("_");
	document.forms[formname].elements[feldname].className=temp[0]+"_act";
}

function blur_me(formname,feldname) {
	eval("var arrname = "+formname+"_arr;");
	if(arrname[feldname] && proof_one(formname,arrname,feldname) == false) {
		temp2 = document.forms[formname].elements[feldname].className.split("_");
		document.forms[formname].elements[feldname].className=temp2[0]+"_red";
		update_errlayer(formname,formname+'_arr',arrname[feldname]['_layer_']);
	}
	else {
		temp2 = document.forms[formname].elements[feldname].className.split("_");
		document.forms[formname].elements[feldname].className=temp2[0];
		if(arrname[feldname]) {
			update_errlayer(formname,formname+'_arr',arrname[feldname]['_layer_']);
		}
	}
}

function send_form(formname) {
	eval("var arrname = "+formname+"_arr;");
	if(proof(formname,arrname) == false) {
		for(var feldname in arrname) {
			blur_me(formname,feldname);
		}
		alert("In Ihren Angaben im Formular befinden sich noch Fehler. Bitte achten Sie auf die Fehlermeldung und korrigieren Sie Ihre eingabe.");
		return false;
	}
	else {
		return true;
	}
}