/***********************************************************************************************
	
	Copyright (c) 2005 - Alf Magne Kalleland post@dhtmlgoodies.com
	
	UPDATE LOG:
	
	March, 10th, 2006 : Added support for a message while large image is loading
	
	Get this and other scripts at www.dhtmlgoodies.com
	
	You can use this script freely as long as this copyright message is kept intact.
	
	***********************************************************************************************/ 
   	
	var udisplayWaitMessage=true;	// Display a please wait message while images are loading?
  	
   		
	var uactiveImage = false;
	var uimageGalleryLeftPos = false;
	var uimageGalleryWidth = false;
	var uimageGalleryObj = false;
	var umaxGalleryXPos = false;
	var uslideSpeed = 0;
	var uimageGalleryCaptions = new Array();
	function ustartSlide(a)
	{
		if(document.all)a = event;
		var id = this.id;

		this.getElementsByTagName('img')[0].src = 'theme/kroatiennet/img/images/' + this.id + '_over.gif';	
		if(this.id=='arrow_right2'){
			uslideSpeedMultiply = Math.floor((a.clientX - this.offsetLeft) / 5);
			uslideSpeed = -1*uslideSpeedMultiply;
			uslideSpeed = Math.max(-10,uslideSpeed);
		}else{			
			uslideSpeedMultiply = 10 - Math.floor((a.clientX - this.offsetLeft) / 5);
			uslideSpeed = 1*uslideSpeedMultiply;
			uslideSpeed = Math.min(10,uslideSpeed);
			if(uslideSpeed<0)uslideSpeed=10;
		}
	}
	
	function ureleaseSlide()
	{
		var id = this.id;
		this.getElementsByTagName('img')[0].src = 'theme/kroatiennet/img/images/' + this.id + '.gif';
		uslideSpeed=0;
	}
		
	function ugallerySlide()
	{
		if(uslideSpeed!=0){
			var uleftPos = uimageGalleryObj.offsetLeft;
			uleftPos = uleftPos/1 + uslideSpeed;
			if(uleftPos>umaxGalleryXPos){
				uleftPos = umaxGalleryXPos;
				uslideSpeed = 0;
				
			}
			if(uleftPos<uminGalleryXPos){
				uleftPos = uminGalleryXPos;
				uslideSpeed=0;
			}
			
			uimageGalleryObj.style.left = uleftPos + 'px';
		}
		setTimeout('ugallerySlide()',20);
		
	}
	
	function ushowImage()
	{
		if(uactiveImage){
			uactiveImage.style.filter = 'alpha(opacity=100)';	
			uactiveImage.style.opacity = 0.5;
		}	
		this.style.filter = 'alpha(opacity=100)';
		this.style.opacity = 1;	
		uactiveImage = this;	
	}
	
	function uinitSlideShow()
	{
		document.getElementById('arrow_left2').onmouseover = ustartSlide;
		document.getElementById('arrow_left2').onmouseout = ureleaseSlide;
		document.getElementById('arrow_right2').onmouseover = ustartSlide;
		document.getElementById('arrow_right2').onmouseout = ureleaseSlide;
		
		uimageGalleryObj = document.getElementById('utheImages');
		uimageGalleryLeftPos = uimageGalleryObj.offsetLeft;
		uimageGalleryWidth = document.getElementById('ugalleryContainer').offsetWidth - 80;
		umaxGalleryXPos = uimageGalleryObj.offsetLeft; 
		uminGalleryXPos = uimageGalleryWidth - document.getElementById('uslideEnd').offsetLeft;
		var uslideshowImages = uimageGalleryObj.getElementsByTagName('img');
		for(var uno=0;uno<uslideshowImages.length;uno++){
			uslideshowImages[uno].onmouseover = ushowImage;
		}
		
		var udivs = uimageGalleryObj.getElementsByTagName('div');
		for(var uno=0;uno<udivs.length;uno++){
			if(udivs[uno].className=='uimageCaption')uimageGalleryCaptions[uimageGalleryCaptions.length] = udivs[uno].innerHTML;
		}
		ugallerySlide();
	}
	
	function ushowPreview(uimagePath,uimageIndex){
		var usubImages = document.getElementById('upreviewPane').getElementsByTagName('img');
		if(usubImages.length==0){
			var uimg = document.createElement('img');
			document.getElementById('upreviewPane').appendChild(uimg);
		}else uimg = usubImages[0];
		
		if(udisplayWaitMessage){
			document.getElementById('uwaitMessage').style.display='inline';
		}
		document.getElementById('ulargeImageCaption').style.display='none';
		uimg.onload = function() { uhideWaitMessageAndShowCaption(uimageIndex-1); };
		uimg.src = uimagePath;
		
	}
	function uhideWaitMessageAndShowCaption(uimageIndex)
	{
		document.getElementById('uwaitMessage').style.display='none';	
		document.getElementById('ulargeImageCaption').innerHTML = uimageGalleryCaptions[uimageIndex];
		document.getElementById('ulargeImageCaption').style.display='block';
		
	}