function clearField(fieldName){
if (fieldName.defaultValue==fieldName.value)
fieldName.value = ""
} 

function confirmDelete()
{
var agree=confirm("Are you sure you wish to delete these items? Deletion is NOT reversible.");
if (agree)
	return true ;
else
	return false ;
}

var textwin = null; 

function helpPopup(url) {
	textwin=window.open(url,'helpWin','menubar=no,scrollbars=no,width=450,height=300,left=0,top=0'); 
if(textwin.focus){textwin.focus();}
}