// menu_selection v1.0


function initialisation(form_name,list,entry) {
 lettre = new NomObjets(form_name,list,entry);
 lettre.bldInitial();
}

function NomObjets(form_name,sel_name,text_name,str) {
 this.formname = form_name;
 this.selname = sel_name;
 this.textname = text_name;
 this.select_str = str || '';
 this.selectArr = new Array();
 this.initialize = initialize;
 this.bldInitial = bldInitial;
 this.maj = maj;
} 

function initialize() {
 if (this.select_str =='') {   
   for(var i=0;i<document.forms[this.formname][this.selname].options.length;i++) {  
     this.selectArr[i] = document.forms[this.formname][this.selname].options[i];
     this.select_str += document.forms[this.formname][this.selname].options[i].value + ":" + document.forms[this.formname][this.selname].options[i].text + ",";
   }
 } else {
   var tempArr = this.select_str.split(',');
   for(var i=0;i<tempArr.length;i++) {  
     var prop = tempArr[i].split(':');
     this.selectArr[i] = new Option(prop[1],prop[0]);
   }
 }
 return;
}

function bldInitial() {
 this.initialize();
 for(var i=0;i<this.selectArr.length;i++) {
   document.forms[this.formname][this.selname].options[i] = this.selectArr[i];
   document.forms[this.formname][this.selname].options.length = this.selectArr.length; 
   return; 
 }
}

function maj() {
 var str = document.forms[this.formname][this.textname].value;   
 if(str == '') {   
   this.bldInitial();
   return; 
 } 
 this.initialize();  
 var j = 0;  
 pattern1 = new RegExp("^"+str,"i"); 
 for(var i=0;i<this.selectArr.length;i++) { 
   if(pattern1.test(this.selectArr[i].text)) {
     document.forms[this.formname][this.selname].options[j++] = this.selectArr[i];
     document.forms[this.formname][this.selname].options.length = j;
     if(j==1) {  
       document.forms[this.formname][this.selname].options[0].selected = true;
     }
   }
 }
}