// Support Functions
function strip(filter,str){
	var i,curChar;
	var retStr = '';
	var len = str.length;
	for(i=0; i<len; i++){
		curChar = str.charAt(i);
		if(filter.indexOf(curChar)<0) //not in filter, keep it
			retStr += curChar;
	}
	return retStr;
}
function reformat(str){
	var arg;
	var pos = 0;
	var retStr = '';
	var len = reformat.arguments.length;
	for(var i=1; i<len; i++){
		arg = reformat.arguments[i];
		if(i%2==1)
			retStr += arg;
		else{
			retStr += str.substring(pos, pos + arg);
			pos += arg;
		}
	}
	return retStr;
}
//End Support Functions
//Validation Rules
function notEmpty(str){
	if(strip(" \n\r\t",str).length ==0)
		return false;
	else
		return true;
}
function validateInteger(str){
	str = strip(' ',str);
	//remove leading zeros, if any
	while(str.length > 1 && str.substring(0,1) == '0'){
		str = str.substring(1,str.length);
	}
	var val = parseInt(str);
	if(isNaN(val))
		return false;
	else
		return true;
}


function validateCC(str){
	str = strip(" -.\n\r\t",str);
	if(validateInteger(str) && str.length == 16)
	return true;
	else
	return false;
}
function validateID(str){
	str = strip(" -.\n\r\t",str);
	if(validateInteger(str) && str.length == 3)
	return true;
	else
	return false;
}

function validateUSPhone(str){
	str = strip("*() -./_\n\r\t\\",str);
	if(str.length == 10 || str.length == 7)
		return true;
	else
		return false;
}

function validateZip(str){
	str = strip("- \n\r\t",str);
	if(validateInteger(str)&&(str.length==9 || str.length==5))
		return true;
	else
		return false;
}

function validateEMail(str){
	str = strip(" \n\r\t",str);
	if(str.indexOf("@")>-1 && str.indexOf(".")>-1)
		return true;
	else
		return false;
}
//End Validation Rules



//Formatting functions
function formatPhone(str){
	str = strip("*() -./_\n\r\t\\",str);
	if(str.length==10)
		return reformat(str,"(",3,") ",3,"-",4);
	if(str.length==7)
		return reformat(str,"",3,"-",4);
}
function formatSSN(str){
	str = strip(" -.\n\r\t",str);
	return reformat(str,"",3,"-",2,"-",4);
}
function formatZip(str){
	str = strip("- \n\r\t",str);
	if(str.length==5)
		return str;
	if(str.length==9)
		return reformat(str,"",5,"-",4);
}
//End Formatting Functions