function clavida_change_language(from, to) 
 {
 
function explodeArray(item, delimiter)
{
         tempArray=new Array(1);
         var Count=0;
         var tempString=new String(item);

         while (tempString.indexOf(delimiter)>0) {
           tempArray[Count]=tempString.substr(0,tempString.indexOf(delimiter));
           tempString=tempString.substr(tempString.indexOf(delimiter)+1,tempString.length-tempString.indexOf(delimiter)+1); 
           Count=Count+1
         }

         tempArray[Count]=tempString;
         return tempArray;
}
 
 
 
var chaine = parent.display.location.href;
var chaine_out;
var old_str;
var new_str;

switch (from)
	{
	case "french":
		old_str = "_f";
		break;
	case "spanish":
		old_str = "_s";
		break;
	case "english":
		old_str = "_e";
		break;
	case "german":
		old_str = "_d";
		break;
	}
	
switch (to)
	{
	case "french":
		new_str = "_f";
		break;
	case "spanish":
		new_str = "_s";
		break;
	case "english":
		new_str = "_e";
		break;
	case "german":
		new_str = "_d";
		break;
	}

chaine_out = explodeArray(chaine, old_str);
fin_chaine = ".html";

chaine_finale = chaine_out[0] + new_str +  fin_chaine;


return(chaine_finale);
};