function Submit() {
	document.forms[0].submit();
}

function Close(){
	window.close();
}

function nextFocus(the_val, field_name,chklen) {
    if (the_val.length == chklen) {
        document.forms['form1'].elements[field_name].focus();
    }
}

function nextTab(field_name) {
    if (event.keyCode==13) {
        document.forms['form1'].elements[field_name].focus();
    }
}

function IsValidNumber(){
	if ((event.keyCode>=48) && (event.keyCode<=57))
	{}
	else
	{event.returnValue=false;}
}

function auto_currency(id){   
    var variable = document.getElementById(id);   
    var new_value =  variable.value.replace(/\,/g,"");   
    variable.style.textAlign = "right";   
    variable.value = digit_grouping(new_value);   
}  

function addCommas(obj) {
var objRegExp  = new RegExp('(-?[0-9]+)([0-9]{3})'); 
    while(objRegExp.test(obj.value)) {
       obj.value = obj.value.replace(objRegExp, '$1,$2');
    }
}