// JavaScript Document

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// Function to validate an email-adress
function validateEMail(field) {
	validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
	if (field.value.length == 0 || field.value == null || field.value.search(validRegExp) == -1)
		return true;
	else
		return false;
}

// Function to verify if an input-field, select or textarea has no value
function validateIsEmpty(field) {
	if (field.value.length == 0 || field.value == null)
		return true;
	else
		return false;
}

// Function to verify if an input-field, select or textarea has no value, if geschaeftsbericht checked
function validateIsEmptyIfChecked(field) {
	if (field.checked == true) {
//		if (field.value.length == 0 || field.value == null) {
//			return true;
//		} else {
			return false;
//		}
	} else {
		return true;
	}
}

// Function to verify if an radio or checkbox-element has no value
function validateIsEmptyRadio(field) {
	if (field.value.length == 0 || field.value == null)
		return true;
	else
		return false;
}


MM_preloadImages('/img/nav_home_over.gif','/img/nav_wir_over.gif','/img/nav_kaffee_over.gif','/img/nav_trinkenundessen_over.gif','/img/nav_job_over.gif','/img/nav_expansion_over.gif','/img/nav_kontakt_over.gif');