// Carousel Slideshow II - By Harry Armadillo	 
 
function carousel(params){											 
  if(!(params.width>0 && isFinite(params.width)))params.width=200; //Réglez la largeur via celle de vos images.	 
  if(!(params.height>0 && isFinite(params.height)))params.height=150; //Réglez la hauteur via celle de vos images.
  if(!(params.sides>2 && isFinite(params.sides)))params.sides=4;		  
  if(!(params.steps>0 && params.steps<100 && isFinite(params.steps)))params.steps=20;   
  if(!(params.speed>0 && isFinite(params.speed)))params.speed=8;						 
  if(!(params.image_border_width>=0 && isFinite(params.image_border_width)))params.image_border_width=0;	  
  if(isFinite(params.id)||!params.id)params.id='bad_id_given_'+Math.random();						  
 
  document.write("<div style='position:relative;overflow:hidden;' id='"+params.id.replace(/[^a-zA-Z0-9]+/g,'_')+"'></div>");	
  var cdiv=document.getElementById(params.id.replace(/[^a-zA-Z0-9]+/g,'_'))	
  cdiv.style.width=params.width+'px';									  
  cdiv.style.height=params.height+'px';									
  cdiv.style.border=params.border;										 
  cdiv.style.position='relative';										 
  cdiv.style.overflow='hidden';										 
  cdiv.title=params.id;													  
 
  var counter=0,spinning=true,interval=Math.floor(60000/params.sides/params.steps/params.speed)-5;  
  interval=isNaN(interval)?200:interval;										  
  var img_position=[],images=[],img_dimension=[];							  
  var img_index=params.images.length+1,img_index_cap=2*params.images.length;	  
  var faces=Math.ceil(params.sides/2), dimension, direction, targ, attr, faraway;	
 
  function init(){													  
    if(params.direction=="left" || params.direction=="right"){		  
      direction=params.direction;									  
      dimension="width";												  
      }																 
    else if(params.direction=="top" || params.direction=="bottom"){	 
      direction=params.direction;									  
      dimension="height";											  
      }																  
    else {															  
      direction="left";												  
      dimension="width";												  
      }      														  
    faraway=(direction=="left"||direction=="top")?'-20000px':'20000px';		
    cdiv.style[dimension]=params[dimension]/(params.size_mode=='image'?Math.sin(Math.PI/params.sides):1)+'px';	
    var img=new Image();													 
    img.style.position='absolute';									   
    img.style[direction]=faraway;									
    img.style.width=params.width-2*params.image_border_width+'px';	 
    img.style.height=params.height-2*params.image_border_width+'px';		
    img.style.border=(params.image_border_width||0)+'px solid '+params.image_border_color;	  
 
    for(var i=0;i<params.images.length;i++){							  
      images[i]=img.cloneNode(true);									
      images[i].src=params.images[i];							   
      if(params.links && params.links[i] && params.links[i]!=''){	
        targ=params.lnk_targets && params.lnk_targets[i]||params.lnk_base||'new'; 
        if(targ=="_blank"){													 
          attr=(params.lnk_attr && params.lnk_attr[i])?",'"+params.lnk_attr[i]+"'":"";	  
          images[i].onclick=new Function("window.open('"+params.links[i]+"','"+targ+"'"+attr+")");  
          }																					
        else if(targ.substr(0,1)=="_"){														
          images[i].onclick=new Function(targ.substr(1)+".location='"+params.links[i]+"'");   
          }																	   
        else{																   
          attr=(params.lnk_attr && params.lnk_attr[i])?",'"+params.lnk_attr[i]+"'":"";	 
          images[i].onclick=new Function("var t='"+targ+"';if(window[t]){try{window[t].close()}catch(z){}}window[t]=window.open('"+params.links[i]+"',t"+attr+");window[t].focus()");
          }										  
        images[i].style.cursor=document.all?'hand':'pointer'; 
        }							
 
      if(params.titles && params.titles[i] && params.titles[i]!='')   
        images[i].title=params.titles[i];	
      if(document.all)			   
        images[i].alt=images[i].title;	
      images[i+params.images.length]=images[i]; 
      if(params.images.length==faces)   
        images[i+2*params.images.length]=images[i];	 
      cdiv.appendChild(images[i]); 
      }				   
 
    var face_size=params.size_mode=='image'?params[dimension]:params[dimension]*Math.sin(Math.PI/params.sides);   
    var face_offset=params[dimension]*Math.cos(Math.PI/params.sides)/(params.size_mode=='image'?Math.sin(Math.PI/params.sides):1)/2-.5;
    var pi_piece=2*Math.PI/params.steps/params.sides;		
    for(i=0;i<=params.steps*faces;i++){	
      img_dimension[i]=face_size*Math.sin(pi_piece*i);	
      img_position[i]=(i<params.steps*params.sides/2)?Math.floor(params[dimension]/2/(params.size_mode=='image'?Math.sin(Math.PI/params.sides):1)-face_offset*Math.cos(pi_piece*i)-img_dimension[i]/2)+'px':faraway;
      img_dimension[i]=img_dimension[i]-2*params.image_border_width>1?Math.ceil(img_dimension[i])-2*params.image_border_width+'px':'1px';
      }	
    }	
  init();  
 
  cdiv.rotate = function(){ 
    setTimeout('document.getElementById("'+cdiv.id+'").rotate()',interval);	   
    if(!spinning) return;	
    if(++counter>=params.steps){	  
      counter=0;			 
      if(++img_index>=img_index_cap)	 
        img_index=params.images.length;	
      }		  
    images[img_index-faces].style[direction]=faraway; 
    for(var i=faces-1;i>=0;i--){						
      images[img_index-i].style[direction]=img_position[counter+i*params.steps];	
      images[img_index-i].style[dimension]=img_dimension[counter+i*params.steps]; 
      }		 
    }		 
  cdiv.onmouseover=function(){  
    spinning=false;	 
    }			 
  cdiv.onmouseout=function(){  
    spinning=true;	
    }		 
  setTimeout('document.getElementById("'+cdiv.id+'").rotate()',100);	
  }