<script language=JavaScript>
<!--
function isNumberKey(evt){
	var charCode = (evt.which) ? evt.which : event.keyCode
	if (charCode == 8){
	   return true;
	   }
        if (charCode > 31 && (charCode < 48 || charCode > 57)){
           return false;
	   }
	return true;
}
function isCharacterKey(evt){
	var charCode = (evt.which) ? evt.which : event.keyCode
        if ((charCode >=65 && charCode <=90) || 
	    (charCode >=97 && charCode <=122) ||
	    (charCode == 32) ||
	    (charCode == 46) ||
	    (charCode == 8)){
           return true;
	   }
	return false;
}
function isDateKey(evt){
	var charCode = (evt.which) ? evt.which : event.keyCode
        if ((charCode >= 47 && charCode <= 57) ||
	    (charCode == 8)){
           return true;
	   }
	return false;
}
function printpage(){
	window.print()
}
function set_focus()
{
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}
-->
</script>