function MM_setTextOfLayer(objId,x,newText) { 
  with (document) if (getElementById && ((obj=getElementById(objId))!=null))
    with (obj) innerHTML = unescape(newText);
}

function MM_changeProp(objId,x,theProp,theValue) {
  var obj = null; with (document){ if (getElementById)
  obj = getElementById(objId); }
  if (obj){
    if (theValue == true || theValue == false)
      eval("obj.style."+theProp+"="+theValue);
    else eval("obj.style."+theProp+"='"+theValue+"'");
  }
}
function MM_showHideLayers() { 
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function MM_goToURL() { 
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}
function MM_effectAppearFade(targetElement, duration, from, to, toggle)
{
    Spry.Effect.DoFade(targetElement, {duration: duration, from: from, to: to, toggle: toggle});
}

var curimg=0;

function preloadImage(url) 
{
  var i = new Image();
  i.src = url;
  return i;
}



function rotateimages()
{ if (curimg==(totalPic-1)){lastpicture=true;} 
preloadImage (galleryarray[curimg])  

if (rotate==true){curimg=(curimg<galleryarray.length-1)? curimg+1 : 0  }
        
        document.getElementById("slideshow").setAttribute("src", galleryarray[curimg])
    document.getElementById("title").innerHTML=namearray[curimg]
	document.getElementById("slideshow-wrapper").setAttribute("href", galleryarray[curimg].replace("/thumbs",""))
    
    if (descriptionarray[curimg]!=="" && verdwijn!=="hidden")
    {
        document.getElementById("description").innerHTML="<br \/>"+descriptionarray[curimg]
        cssString = 'visibility:visible;width:'+widtharray[curimg]+'px; height:60px; left:'+leftarray[curimg]+'px; top:'
        +bottomarray[curimg]+'px';
    } 
    
    else 
    {
        document.getElementById("description").innerHTML="<br \/>"+descriptionarray[curimg]
        cssString = 'visibility:hidden;'
	}        
    
        document.getElementById("description").style.cssText = cssString;
        document.getElementById("description").setAttribute('style',cssString);
 if (rotate==true){if (((Math.round(curimg/7)-(curimg/7)==0)&&slide==true&&totalPic>7&&curimg!==0)|(slide==true&&totalPic>7&&lastpicture==true)){lastpicture=false;my_glider.next();return false} } 
     
     rotate=true ;    
}

          function backwards()
{     
curimg=(curimg>0)? curimg-1 : 0
preloadImage (galleryarray[curimg]) 
    document.getElementById("slideshow").setAttribute("src", galleryarray[curimg])
    document.getElementById("title").innerHTML=namearray[curimg]
    if (descriptionarray[curimg]!=="" && verdwijn!=="hidden")
    {
        document.getElementById("description").innerHTML="<br \/>"+descriptionarray[curimg]
        cssString = 'visibility:visible;width:'+widtharray[curimg]+'px; height:60px; left:'+leftarray[curimg]+
        'px; top:'+bottomarray[curimg]+'px';
    } 
    
    else 
    {
        document.getElementById("description").innerHTML="<br \/>"+descriptionarray[curimg]
        cssString = 'visibility:hidden;'
	}
        document.getElementById("description").style.cssText = cssString;
        document.getElementById("description").setAttribute('style',cssString);
       
  
}

function showdescriptions()
{ 
if (descriptionarray[curimg]!==""){cssString = 'visibility:visible; width:'+widtharray[curimg]+'px; height:60px; left:'+leftarray[curimg]+'px; top:'                                                                                   
        +bottomarray[curimg]+'px' ;document.getElementById('description').setAttribute('style',cssString);verdwijn='show'}  
    else      {cssString = 'visibility:hidden';document.getElementById('description').setAttribute('style',cssString);verdwijn='show'}
}

function hidedescriptions()
{
if (document.getElementById('description')!==null)
{cssString = 'visibility:hidden;'; document.getElementById('description').setAttribute('style',cssString);verdwijn='hidden'}
}

function checkglider()
{  

if ((Math.round(curimg/7)-(curimg/7)==0)&&slide==false&&totalPic>7){my_glider.next();return false}
}
function checkglider2()
{  
   curimg=curimg+1
if ((Math.round((curimg)/7)-((curimg)/7)==0)&&slide==false&&totalPic>7){my_glider.next();return false}
curimg=curimg-1
}
