function enabled(id){
	if (document.getElementById(id).disabled == true){
		document.getElementById(id).disabled = false
		document.getElementById(id).focus();
	}
	else{
		document.getElementById(id).disabled = true
		
	}
}


function select_enabled(id, t_f){

	if(t_f==1){
		if (document.getElementById(id).disabled == true){
			document.getElementById(id).disabled = false
			document.getElementById(id).focus();
		}
	}
	else{

		document.getElementById(id).disabled = true
		

	}


}