var widthThumbs=0;
var idContThumbs=0;
var sommaThumbs=0;

function do_init(){

	$$('div.contAllThumbs').each(function(div){
				
		idContThumbs=div.id.substr(13);
		
		if($(div.id).getElementsByTagName('img').length>0){
			
			var contThumbs=$(div.id).getElementsByTagName('img').length;
		
			for(var i=0;i<contThumbs;i++){

				widthThumbs=100+4;
				sommaThumbs=sommaThumbs+widthThumbs;
			}
			
			
			$('contAllThumbs'+idContThumbs).setStyle('width',sommaThumbs+'px');
		
			if(sommaThumbs>($('menuThumbs'+idContThumbs).offsetWidth)){
				
				$('prevBtnThumbs'+idContThumbs).setStyle('display','block');
				$('nextBtnThumbs'+idContThumbs).setStyle('display','block');
				$('menuThumbs'+idContThumbs).setStyle('margin-left','15px');
				scorriMenuThumbs(idContThumbs);
			
			}
			
			sommaThumbs=0;
		}

	});
	
	opacityImages();


}

/*****************************************************************/
/************************** SCORRI THUMBS ************************/
/*****************************************************************/
function scorriMenuThumbs(idContThumbs) {
	
	var myScroller = new Scroller('menuThumbs'+idContThumbs, {area: 200, velocity: 0.2});

	myScroller.start();
	
	
	
}


function opacityImages(){
	
	$$('img.imgThumbs').each(function(img){
	
		img.onmouseover=function(){ this.setStyle('opacity',0.5); }

		img.onmouseout=function(){ this.setStyle('opacity',1); }

	});
	
}