function submitenter(evt){
	var charCode = (evt.which) ? evt.which : event.keyCode
	if(charCode == "13"){
		document.form1.submit();
	}
} 

function showDiv(id) {
   document.getElementById(id).style.display='block';
}

function hideDiv(id){
    document.getElementById(id).style.display='none';
}

function delInputValue(id){
   var das = document.getElementById(id);
       das.value="";
}