// JavaScript Document

var imagepreloader = 
{
       loadmultiple:function()
       {
 imageObj = new Image();


     // set image list
     images = new Array();
     images[0]="http://www.juniorpolartraveller.com/images/c_changehover.gif";
     images[1]="http://www.juniorpolartraveller.com/images/antarcticahover.gif";
     images[2]="http://www.juniorpolartraveller.com/images/arctichover.gif";
     images[3]="http://www.juniorpolartraveller.com/images/wildlifehover.gif";
     images[4]="http://www.juniorpolartraveller.com/images/whatcanwedohover.gif";
     images[5]="http://www.juniorpolartraveller.com/images/educationhover.gif";
     images[6]="http://www.juniorpolartraveller.com/images/minushover.gif";
     images[7]="http://www.juniorpolartraveller.com/images/maxhover.gif";

     // start preloading
     for(i=0; i<=7; i++) 
     {imageObj.src=images[i];}

       }
}

var  max = true;
var jpt ={
	contentSlider : '',
	contentViewable: true,
        currentZ: 5,
	slideContent: function(){
		jpt.contentSlider.toggle();
		jpt.contentViewable = jpt.contentViewable ? false : true;
		jpt.setSliderText(this);
               
                   
                   if(jpt.contentViewable){
                  try{  $('blog_image_links').setStyle('visibility', 'visible');}catch(err){}
                   $$('.profile_pic').each(function(el){ el.setStyle('visibility', 'visible'); });
                   }else{
                   try{ $('blog_image_links').setStyle('visibility', 'hidden'); }catch(err){}
                   $$('.profile_pic').each(function(el){ el.setStyle('visibility', 'hidden');})
                  }
                  
                            
	},
	
	setSliderText: function(el){
		var node = $('pm_arrowl');
        var label = el.getParent().getElement('span');
        var img= el.getParent().getElement('img'); 
	    var txt = jpt.contentViewable ? 'view full background ' : 'view content ';
        var img_path= jpt.contentViewable ?  "http://www.juniorpolartraveller.com/images/minus.gif" : "http://www.juniorpolartraveller.com/images/max.gif" ;
        max = !max;        
		label.innerHTML =  txt;     
        img.src=img_path;
	},
		
	init: function(){
		var el = $('mainbodycontent');
		jpt.contentSlider = new Fx.Slide( el );
		var trig = $$('#leftmainbody span img')[0];

		trig.setStyles({ 'cursor' : 'pointer' });

		jpt.slideContent = jpt.slideContent.bind(trig);
		trig.addEvent('click', function(){jpt.slideContent();});

		trig.addEvent('mouseover', function(){
			if( max )
			{trig.src="http://www.juniorpolartraveller.com/images/minushover.gif";
			}
                        else 
                        {trig.src="http://www.juniorpolartraveller.com/images/maxhover.gif"; 
                       }
		});

		trig.addEvent('mouseout', function(){
			if( max )
			{trig.src="http://www.juniorpolartraveller.com/images/minus.gif";
			}
                        else 
                        {trig.src="http://www.juniorpolartraveller.com/images/max.gif"; 
                        }
		});
                try{
                     $$('#blog_image_links img').each(function(el){
                        el.addEvent('mouseover', function(){
                              jpt.currentZ = jpt.currentZ + 1;
                              this.setStyle('z-index', jpt.currentZ);
                      });
                   });   
               }catch($e){}}
}

window.addEvent('domready', jpt.init);


window.addEvent('domready', imagepreloader.loadmultiple);