var nbdiv;
function getdesc(mydiv,x,y){
	// Définition du style du div principal
	  var object1=document.getElementById(mydiv);
	 /* var desc=document.getElementById('div1');
	  var compo=document.getElementById('div2');
	  var temoin=document.getElementById('div3');*/
		
    var j=0;
	var i;
	var longueur;
	

    for(i=0;i<object1.childNodes.length; i++){
		  	
	if (object1.childNodes[i].nodeName =='IMG'){
		
	    j++;
	  // alert('5');
		object1.childNodes[i].onclick=div_onclick;
		object1.childNodes[i].style.cursor= 'pointer';
          
		
		}
		
    else
	 if( object1.childNodes[i].nodeName =='DIV'){
		 		 object1.childNodes[i].style.backgroundColor='#dce2e7';
		  object1.childNodes[i].style.width='380px';
		   object1.childNodes[i].style.height='140px';
		   object1.childNodes[i].style.padding='5px';
		  object1.childNodes[i].style.textAlign='justify';
		  object1.childNodes[i].style.top='29px'; 
		  object1.childNodes[i].style.verticalAlign='top';
		  object1.childNodes[i].style.left='2px'; 
		   object1.childNodes[i].style.position='absolute';
		   
		   
		 if(j==1)
		 object1.childNodes[i].style.visibility="visible";
		 else 
		 object1.childNodes[i].style.visibility="hidden";
		 	 
		 
		 }

	
	}
		 nbdiv=j;

	}
	
function div_onclick(e){

	for(k=1;k<=nbdiv;k++){
		
		
		if(document.getElementById('div'+k)===document.getElementById(e.target.id.substr(0,4))){
document.getElementById('div'+k).style.visibility="visible";

		}
  else{
  document.getElementById('div'+k).style.visibility="hidden";
 
  }
  
	}
	}