// JavaScript Document

function isNumeric(name, element, clear){
	
	var myRegExp = /^-{0,1}\d*\.{0,1}\d+$/i;
	var myNumber = element.value;
	
	if(myRegExp.test(myNumber))
	{
		return true;
	}
	else if (myNumber != '')
	{
		alert(name + ' must be numeric');
		if (clear == 1)
			element.value = '';
		if (clear == 2)
			element.value = 0;
	}
}

function mxLength(name, element, length){
	
	if(element.value.length > length)
	{
		alert(name + ' must be no longer than ' + length + ' characters');
		element.value = element.value.substr(0,length-1);
	}	
}

function mnLength(name, element, length){
	
	if(element.value.length < length)
	{
		alert(name + ' must be longer than ' + length + ' characters');
	}	
}