// 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];}
}


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');

	/**
	 * 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 (document.kontakt.geschaeftsbericht.checked == true) {
			if (field.value.length == 0 || field.value == null) {
				return true;
			}
		} else {
			return false;
		}
	}

	/**
	 * 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;
	}


	/**
	 * Function to open PopUp (print-version)
	 */
	 function openPrint(url)
	 {
		var popupX = (screen.width/2)-(900/2);
	    var popupY = (screen.height/2)-(650/2);
	    var pos = "left="+popupX+",top="+popupY;
	    winpops=window.open(url,"","width=900,height=650,scrollbars," +pos)
	 }


	/**
	 * Function to open PopUp (recommend)
	 */
	 function openRecommend(url)
	 {
		var popupX = (screen.width/2)-(650/2);
	    var popupY = (screen.height/2)-(520/2);
	    var pos = "left="+popupX+",top="+popupY;
	    winpops=window.open(url,"","width=650,height=520," +pos)
	 }