/* use:

  e.g. roundedImages('BannerList', 'both');

  BannerList = id in Markup

  both   = round all 4 corners
  bottom = round the bottom 2 corners
  top    = round the top 2 corners

*/

function roundedImages(id, where) {

 // check if Browser supports any advanced DOM
 var supported = (document.getElementById || document.createElement || document.all || document.layers);
 if (!supported) return;

 var content = document.getElementById(id);
 var imgs = content.getElementsByTagName('img');

 /* Now add 4 additional divs to each img we have found */
 for (var i = 0; i < imgs.length; i++)
 {

   var wrapper = document.createElement('div');  // Create the outer-most div (wrapper)
   wrapper.className = 'wrapper';                // Give it a classname - wrapper

   var original = imgs[i];                       // take the next image

   wrapper.style.width = original.width+'px';
   wrapper.style.height = original.height+'px';

   /* Swap out the original img with our wrapper div (we'll put it back later) */
   if(original.parentNode.tagName.toUpperCase()=='A') original = original.parentNode;
   original.parentNode.replaceChild(wrapper, original);

   if(where=='both') {
     /* Create the four other inner nodes and give them classnames */
     var br = document.createElement('div');
     br.className = 'br';
     var bl = document.createElement('div');
     bl.className = 'bl';
     var tl = document.createElement('div');
     tl.className = 'tl';
     var tr = document.createElement('div');
     tr.className = 'tr';

     /* Glue the nodes back inside the wrapper */
     wrapper.appendChild(bl);
     wrapper.appendChild(br);
     wrapper.appendChild(tl);
     wrapper.appendChild(tr);
   }
   if(where=='bottom') {
     var br = document.createElement('div');
     br.className = 'br';

     var bl = document.createElement('div');
     bl.className = 'bl';

     wrapper.appendChild(bl);
     wrapper.appendChild(br);
   }
   if(where=='top') {
     var tl = document.createElement('div');
     tl.className = 'tl';
     var tr = document.createElement('div');
     tr.className = 'tr';

     wrapper.appendChild(tl);
     wrapper.appendChild(tr);
   }

   /* And glue the img back in after the DIVs */
   wrapper.appendChild(original);
 }
}


/* form checks */

function MM_findObj(n, d) {
  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 YY_checkform() {
  var a=YY_checkform.arguments,oo=true,v='',s='',err=false,r,o,at,o1,t,i,j,ma,rx,cd,cm,cy,dte,at;
  for (i=1; i<a.length;i=i+4){
    if (a[i+1].charAt(0)=='#'){r=true; a[i+1]=a[i+1].substring(1);}else{r=false}
    o=MM_findObj(a[i].replace(/\[\d+\]/ig,""));
    o1=MM_findObj(a[i+1].replace(/\[\d+\]/ig,""));
    v=o.value;t=a[i+2];
    if (o.type=='text'||o.type=='password'||o.type=='hidden'){
      if (r&&v.length==0){err=true}
      if (v.length>0)
      if (t==1){ //fromto
        ma=a[i+1].split('_');if(isNaN(v)||v<ma[0]/1||v > ma[1]/1){err=true}
      } else if (t==2){
        rx=new RegExp("^[\\w\.=-]+@[\\w\\.-]+\\.[a-zA-Z]{2,4}$");if(!rx.test(v))err=true;
      } else if (t==3){ // date
        ma=a[i+1].split("#");at=v.match(ma[0]);
        if(at){
          cd=(at[ma[1]])?at[ma[1]]:1;cm=at[ma[2]]-1;cy=at[ma[3]];
          dte=new Date(cy,cm,cd);
          if(dte.getFullYear()!=cy||dte.getDate()!=cd||dte.getMonth()!=cm){err=true};
        }else{err=true}
      } else if (t==4){ // time
        ma=a[i+1].split("#");at=v.match(ma[0]);if(!at){err=true}
      } else if (t==5){ // check this 2
            if(o1.length)o1=o1[a[i+1].replace(/(.*\[)|(\].*)/ig,"")];
            if(!o1.checked){err=true}
      } else if (t==6){ // the same
            if(v!=MM_findObj(a[i+1]).value){err=true}
      }
    } else
    if (!o.type&&o.length>0&&o[0].type=='radio'){
          at = a[i].match(/(.*)\[(\d+)\].*/i);
          o2=(o.length>1)?o[at[2]]:o;
      if (t==1&&o2&&o2.checked&&o1&&o1.value.length/1==0){err=true}
      if (t==2){
        oo=false;
        for(j=0;j<o.length;j++){oo=oo||o[j].checked}
        if(!oo){s+='* '+a[i+3]+'\n'}
      }
    } else if (o.type=='checkbox'){
      if((t==1&&o.checked==false)||(t==2&&o.checked&&o1&&o1.value.length/1==0)){err=true}
    } else if (o.type=='select-one'||o.type=='select-multiple'){
      if(t==1&&o.selectedIndex/1==0){err=true}
    }else if (o.type=='textarea'){
      if(v.length<a[i+1]){err=true}
    }
    if (err){s+='* '+a[i+3]+'\n'; err=false}
  }
  if (s!=''){alert(s)}
  document.MM_returnValue = (s=='');
}


/* Picture Popups */
function BildAnsicht(imageName,imageWidth,imageHeight,alt,caption)
{
   if (caption)
   {
      var caption = unescape(caption);
   }
   if (imageWidth > 800)
   {
      var multiplier = imageWidth / imageHeight;
      var imageWidth = 800;
      var imageHeight = Math.ceil(imageWidth / multiplier);
   }
   if (imageHeight > 600)
   {
      var multiplier = imageHeight / imageWidth;
      var imageHeight = 600;
      var imageWidth = Math.ceil(imageHeight / multiplier);
   }

   var posLeft = (screen.width - imageWidth) / 2;
   var posTop = (screen.height - imageHeight) / 2;

   if (caption != '') var popupHeight = imageHeight + 150;
   else               var popupHeight = imageHeight;
   var popupWidth  = imageWidth + 50;

   newWindow = window.open("","newWindow","width="+popupWidth+",height="+popupHeight+",left="+posLeft+",top="+posTop);
   newWindow.document.open();
   newWindow.document.write('<html><head><title>'+alt+'</title><style type="text/css" media="screen">@import url(/styles/typo.css);</style></head><body bgcolor="#ffffff" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" style="overflow:hidden;" onBlur="self.close()">');
   newWindow.document.write('<a href="#" onMouseDown="self.close()" title="Bildansicht schließen">');
   newWindow.document.write('<img border=0 src='+imageName+' width='+imageWidth+' height='+imageHeight+' title="Bildansicht schließen" alt='+alt+' />');
   newWindow.document.write('</a>');
   newWindow.document.write('<table width="100%" class="popuptext" cellspacing="5" cellpadding="0"><tr><td height="40" align="center" valign="middle">'+caption+'</td></tr></table>');
   newWindow.document.write('</body></html>');
   newWindow.document.close();
   newWindow.focus();
}


/* Select Radiobutton with id */
function selectPic(pic) {
      document.getElementById(pic).checked = 'true';
}


/*
* Die Input-Parameter sind: der Feld-Name;
* das Feld mit der Zahl der verbleibenden Stellen;
* die max. Stellenanzahl.
*/
function textCounter(field, countfield, maxlimit)
{
   if (field.value.length > maxlimit)                // wenn die eingegebene Länge größer als erlaubt ist
   field.value = field.value.substring(0, maxlimit); // es wird keine weitere Eingabe mehr zugelassen
   else
   countfield.value = maxlimit - field.value.length; // die verbleibende Anzahl von Zeichen wird angezeigt
}