function setModel(){
	var model = document.getElementById('model_id').value;
	$('content-dinamic-button').className="button-disabled";
	$('content-dinamic-button').href="javascript:alert(js_lang['_js_select_another_model'])";
	if (model != -1){
		var p='model_id='+model;
		var myAjax = new Ajax(
					"select-mobile-process.php?"+p,
					 {	postBody: p,
					 	evalScripts:true,

					 	method: 'post',
					 	onFailure:function (){alert(js_lang['_js_try_again'])},
					 	evalResponse:true
					 	}).request();
	}else{
		alert(js_lang['_js_choose_a_model']);
	}
}