//

function get_select_id(){
	
	for(i=0; i<document.mainform.elements.length; i++){	// trci kroz sve elemente formulara
		
		if (document.mainform.elements[i].options != null){			// ako 
			//alert(document.mainform.elements[i].name);
			return document.mainform.elements[i].id;
		}
		
	}		// for
		
}


function set_select(select_id, value){
	
	select_obj=document.getElementById(select_id);
	
	for (var i = 0; i < select_obj.length; i++) {
      if (select_obj.options[i].value == value) {
         select_obj.options[i].selected=true;
      }
   }
	
		
}


function set_select_by_index(select_id, index){
	
	select_obj=document.getElementById(select_id);
	
	selec_obj.selectedIndex=index;
	
		
}