function addbookmark(){
var bookmarkurl=location.href
var bookmarktitle=document.title 

		
	if (document.all) 	window.external.AddFavorite(bookmarkurl,bookmarktitle) 
} 

function afficher_localisation(a_var){
var arr = a_var.split(";");
var s="";
var part_num=0;

	while (part_num < arr.length){
		s+=(arr[part_num]);
		part_num+=1;
		
		if (part_num < arr.length){
			s+= " <img src='../img/navigation/fleche.gif'> ";		
		}
	}
	document.write (s);
}

function set_img_as_preview(src, w, h){	
	
	var s="";
	var nw,nh;
	var ratio;
	var img = new Image();
	var loc;
	img.src=src;
	
		if (img1.width/img1.height >1) {
			if (img.width > w ){			
				loc="a";
				ratio=w/img.width;
				nw=w;
				nh=img.height*ratio;
			}
			else
			{
				loc="b";
				ratio=h/img.height;
				nh=h;
				nw=img.width*ratio;			
			}		
			
		}
		else
		{
			if (img.height > h ){			
				loc="c";
				ratio=h/img.height;
				nh=h;
				nw=img.width*ratio;
			}
			else
			{
				loc="d";
				ratio=w/img.width;
				nw=w;
				nh=img.height*ratio;			
			}				
		}
	
	
	s="<img src='"+src+"' width="+nw+"  height="+nh+">";// + img.width+" "+img.height + " " + ratio + " " + loc;	
	document.write (s);
}