function autofocus() {
    var focusable = document.getElementById("autofocus");
    if( focusable != null ) { 
    	focusable.focus(); 
    } else if (document.forms[0] != null) {
    	//on va mettre le focus sur le premier champ 'text' de la form 
    	//(s'il y a de form)
    		for (var i=0;i<document.forms[0].length;i++) {
    			current = document.forms[0].elements[i];
				if (current.type == "text") {					
					current.focus();
					break;
				}
    		}    	
    }
}