// JS-Funktionen 

function submitSelection(selectName){
//  strLocation = eval("document.forms[0]."+selectName+".options[document.forms[0]."+selectName+".selectedIndex].value");
  strLocation = eval("document.getElementsByName('"+selectName+"')[0].options[document.getElementsByName('"+selectName+"')[0].selectedIndex].value");
  if (strLocation != "#")
    window.location.href = strLocation;
}

function checkPictureWidth(imgname, maxwidth) {
	var imgwidth = document.images[imgname].width;
	
	if (imgwidth > maxwidth) {
		document.images[imgname].width=maxwidth;
	}
}

function doSearch(){
	var searchAction = document.forms[0].uriSearch.value;
  if (searchAction != "#"){
    document.forms[0].method = "post";
    document.forms[0].action = searchAction;
    document.forms[0].submit();
  }
}

function openPopupWindow(url, width, height, menubar) {
  if (menubar == 1) {
  	opt_menubar = "menubar=yes"
  } else {
  	opt_menubar = "menubar=no"
  }
  letterWnd = window.open(url, 'Leserbrief', 'width=' + width + ',height=' + height + ',' + opt_menubar + ',status=no,toolbar=no,resizable=yes,scrollbars=yes');
  letterWnd.focus();
}

// open a minus text and close a plustext
function showMinusText(articleCount) {
	document.getElementById('tvenMinusText'+articleCount).style.display='block'
	document.getElementById('tvenPlusText'+articleCount).style.display='none'
}

// open a plus text and close a minustext
function showPlusText(articleCount) {
	document.getElementById('tvenPlusText'+articleCount).style.display='block'
	document.getElementById('tvenMinusText'+articleCount).style.display='none'
}

function handleEnter (handlefield, event) {
		var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
		if (keyCode == 13) {
			if(handlefield.value == "Suchbegriff eingeben"){
				return false;
			}else if(handlefield.value == "input search item"){
				return false;
			}else if(handlefield.value == ""){
				return false;
			}else if(handlefield.name == "searchTerm"){
				doSearch();
				return true;
			}else{
				var i;
				for (i = 0; i < handlefield.form.elements.length; i++)
					if (handlefield == handlefield.form.elements[i])
						break;
				i = (i + 1) % handlefield.form.elements.length;
				handlefield.form.elements[i].focus();
				return false;
			}
		} 
		else
		return true;
	}      


//functions for sensitive map in template portfolio/article.jsp
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 preloadimages(){
 var myimages=new Array();
 for (i=0;i<preloadimages.arguments.length;i++){
   myimages[i]=new Image()
   myimages[i].src=preloadimages.arguments[i]
 }
}
//end functions for sensitive map in template portfolio/article.jsp