// Freecaps
function new_freecap()
{// loads new freeCap image
	if(document.getElementById)
	{// extract image name from image source (i.e. cut off ?randomness)
		thesrc = document.getElementById("freecap").src;
		thesrc = thesrc.substring(0,thesrc.lastIndexOf(".")+4);
		// add ?(random) to prevent browser/isp caching
		document.getElementById("freecap").src = thesrc+"?"+Math.round(Math.random()*100000);
	}
	else
	{
		alert("Sorry, cannot autoreload freeCap image\nSubmit the form and a new freeCap will be loaded");
	}
}

function echeck(email)
{
    if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email))
	{
        return true;
    }
	return false;
}

function emailValidate(emailID)
{
	if ((emailID==null)||(emailID==""))
	{
		return false;
	}
	if (echeck(emailID)==false)
	{
		return false;
	}
	return true;
}

// Removes leading whitespaces
function LTrim(value)
{
	var re = /\s*((\S+\s*)*)/;
	return value.replace(re, "$1");
}

// Removes ending whitespaces
function RTrim( value )
{
	var re = /((\s*\S+)*)\s*/;
	return value.replace(re, "$1");
}

// Removes leading and ending whitespaces
function trim(value)
{
	return LTrim(RTrim(value));
}


function validateFeedbackForm()
{
	if(trim(document.form1.fName.value) == "")
	{
		alert("Please enter your full name.")
		document.form1.fName.focus();
		return false;
	}

	if (document.form1.fEmail.value == "")
	{
		alert("Email Address is Required.");
		document.form1.fEmail.focus();
		return false;
	}
	else if (echeck(document.form1.fEmail.value) == false)
	{
		alert("Enter you valid email address.");
		document.form1.fEmail.value="";
		document.form1.fEmail.focus();
		return false;
	}

	if (document.form1.fMessage.value == "")
	{
		alert("Type your feedback message.");
		document.form1.fMessage.focus();
		return false;
	}

	if (document.form1.word.value == "")
	{
		alert("Enter Verification Word.");
		document.form1.word.focus();
		return false;
	}
	return true;
}