// JavaScript Document

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_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_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 navi(mn1,sn1,sn2,glo){
	window.setTimeout("navi2('"+mn1+"','"+sn1+"','"+sn2+"','"+glo+"')", 200);
}
function navi2(mn1,sn1,sn2,glo){
	//alert(mn1);
	if (mn1) document.getElementById(mn1).style.color = '#000000';
	if (mn1) document.getElementById(mn1).style.backgroundImage = "url('../../chemnitz_zieht_an_daten/icons/folder22.gif')";
	if (sn1) document.getElementById(sn1).className = 'fosub1act';
	if (sn2) document.getElementById(sn2).className = 'fosub2act';
	if (glo) document.getElementById(glo).className = 'foglobalact';
	//alert(document.getElementById(mn1).className);
}
function checkSearch()
{
	var strMeldung;
	var myform = document.forms["formSearch"];
    strMeldung="";
    strMeldung="Bitte füllen Sie mindestens folgende Felder korrekt aus:\n";
    if (cleanWhitespace(myform.stringSearch)=="")
    	strMeldung+="\nSuchbegriff mind. 3 Zeichen";
	else
	{
	    if (cleanWhitespace(myform.stringSearch).length < 3)
    	strMeldung+="\nSuchbegriff mind. 3 Zeichen ";
	}	
	alert(strMeldung);

	if (strMeldung=="Bitte füllen Sie mindestens folgende Felder korrekt aus:\n")
    	document.forms["formSearch"].submit();
    else
		alert(strMeldung + "\n\nVielen Dank.");
}
function cleanWhitespace(elem)
{
  var strClean = "";
  if ( elem.value!="" )
  {
	  var intElemLength = elem.value.length;
	  var intElemLengthLast = elem.value.length - 1;
	  for (i = 0; i < intElemLength; i++)
	  {
		if (elem.value.charAt(i) != ' ')
	    { strClean += elem.value.charAt(i);}
	    else
	    {
	    	if (strClean.length > 0)
	        {
	        	if (elem.value.charAt(i+1) != ' ' && i != intElemLengthLast)
	          	{ strClean += elem.value.charAt(i);}
	        }
		}
	  }
  }		  
  return strClean;
}