function isValidURL(url) {
    var RegExp = /^(([\w]+:)?\/\/)?(([\d\w]|%[a-fA-f\d]{2,2})+(:([\d\w]|%[a-fA-f\d]{2,2})+)?@)?([\d\w][-\d\w]{0,253}[\d\w]\.)+[\w]{2,4}(:[\d]+)?(\/([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)*(\?(&?([-+_~.\d\w]|%[a-fA-f\d]{2,2})=?)*)?(#([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)?$/;
    if (RegExp.test(url)) {
        return true;
    } else {
        return false;
    }
}

function ConfirmDeletion(objName) {
    return confirm("Are you sure you want to delete selected " + objName + " ?");
}


netscape = "";
ver = navigator.appVersion; len = ver.length;
for (iln = 0; iln < len; iln++) if (ver.charAt(iln) == "(") break;
netscape = (ver.charAt(iln + 1).toUpperCase() != "C");

function isNumberKey(DnEvents) {
	var charCode = (netscape) ? DnEvents.which : window.event.keyCode;
	//alert(charCode);
	//if (charCode != 46) {
		if (charCode > 31 && (charCode < 48 || charCode > 57))
		return false;
	//}

return true;
}

function ValidateEmail(emailStr) {

    /* The following variable tells the rest of the function whether or not
    to verify that the address ends in a two-letter country or well-known
    TLD.  1 means check it, 0 means don't. */

    var checkTLD = 1;

    /* The following is the list of known TLDs that an e-mail address must end with. */

    var knownDomsPat = /^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

    /* The following pattern is used to check if the entered e-mail address
    fits the user@domain format.  It also is used to separate the username
    from the domain. */

    var emailPat = /^(.+)@(.+)$/;

    /* The following string represents the pattern for matching all special
    characters.  We don't want to allow special characters in the address. 
    These characters include ( ) < > @ , ; : \ " . [ ] */

    var specialChars = "\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

    /* The following string represents the range of characters allowed in a 
    username or domainname.  It really states which chars aren't allowed.*/

    var validChars = "\[^\\s" + specialChars + "\]";

    /* The following pattern applies if the "user" is a quoted string (in
    which case, there are no rules about which characters are allowed
    and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
    is a legal e-mail address. */

    var quotedUser = "(\"[^\"]*\")";

    /* The following pattern applies for domains that are IP addresses,
    rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
    e-mail address. NOTE: The square brackets are required. */

    var ipDomainPat = /^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

    /* The following string represents an atom (basically a series of non-special characters.) */

    var atom = validChars + '+';

    /* The following string represents one word in the typical username.
    For example, in john.doe@somewhere.com, john and doe are words.
    Basically, a word is either an atom or quoted string. */

    var word = "(" + atom + "|" + quotedUser + ")";

    // The following pattern describes the structure of the user

    var userPat = new RegExp("^" + word + "(\\." + word + ")*$");

    /* The following pattern describes the structure of a normal symbolic
    domain, as opposed to ipDomainPat, shown above. */

    var domainPat = new RegExp("^" + atom + "(\\." + atom + ")*$");

    /* Finally, let's start trying to figure out if the supplied address is valid. */

    /* Begin with the coarse pattern to simply break up user@domain into
    different pieces that are easy to analyze. */

    var matchArray = emailStr.match(emailPat);

    if (matchArray == null) {

        /* Too many/few @'s or something; basically, this address doesn't
        even fit the general mould of a valid e-mail address. */


        return false;
    }
    var user = matchArray[1];
    var domain = matchArray[2];

    // Start by checking that only basic ASCII characters are in the strings (0-127).

    for (i = 0; i < user.length; i++) {
        if (user.charCodeAt(i) > 127) {

            return false;
        }
    }
    for (i = 0; i < domain.length; i++) {
        if (domain.charCodeAt(i) > 127) {

            return false;
        }
    }

    // See if "user" is valid 

    if (user.match(userPat) == null) {

        // user is not valid


        return false;
    }

    /* if the e-mail address is at an IP address (as opposed to a symbolic
    host name) make sure the IP address is valid. */

    var IPArray = domain.match(ipDomainPat);
    if (IPArray != null) {

        // this is an IP address

        for (var i = 1; i <= 4; i++) {
            if (IPArray[i] > 255) {

                return false;
            }
        }
        return true;
    }

    // Domain is symbolic name.  Check if it's valid.

    var atomPat = new RegExp("^" + atom + "$");
    var domArr = domain.split(".");
    var len = domArr.length;
    for (i = 0; i < len; i++) {
        if (domArr[i].search(atomPat) == -1) {

            return false;
        }
    }

    /* domain name seems valid, but now make sure that it ends in a
    known top-level domain (like com, edu, gov) or a two-letter word,
    representing country (uk, nl), and that there's a hostname preceding 
    the domain or country. */

    if (checkTLD && domArr[domArr.length - 1].length != 2 &&
            domArr[domArr.length - 1].search(knownDomsPat) == -1) {

        return false;
    }

    // Make sure there's a host name preceding the domain.

    if (len < 2) {

        return false;
    }

    // If we've gotten this far, everything's valid!
    return true;
}


function ValidatorEnableCustom(val, enable)
{ val.enabled = (enable != false); }


function maxlengthTexrArea(id, val, spanId) {

	var mlength =val;
	var obj = document.getElementById(id);
	if (obj.getAttribute && obj.value.length > mlength)
		obj.value = obj.value.substring(0, mlength)

document.getElementById(spanId).innerHTML = "Maximum remaining characters: " + (mlength - obj.value.length);

}
		
		
function Trim(str, chars) {
    return LTrim(RTrim(str, chars), chars);
}

function LTrim(str, chars) 
{
    chars = chars || "\\s";
    return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function RTrim(str, chars) 
{
    chars = chars || "\\s";
    return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}

function validateStripHTML(source, arguments)
{
	var strValue = arguments.Value;
	var	valid;
	
   if(strValue.match(/([\<])([^\>]{1,})*([\>])/i) != null)
    {
       valid = false;
    }
   else
    {
       valid = true;
    }

	arguments.IsValid = valid;
}

function ConfirmDeactivate(msg)
{
	return confirm(msg);
}


function HideTabs(val)
{
	if(val == 1)
	{

		document.getElementById("tab1").className = "selected";
		document.getElementById("tab2").className = "unselected";
		
		document.getElementById("fragment-1").style.display = "block";
		document.getElementById("fragment-2").style.display = "none";
		if (document.getElementById("tab3")) {
		    document.getElementById("tab3").className = "unselected";
		    document.getElementById("fragment-3").style.display = "none";
		}
	}
	else if(val == 2)
	{
		document.getElementById("tab2").className = "selected";
		document.getElementById("tab1").className = "unselected";
		document.getElementById("fragment-1").style.display = "none";
		document.getElementById("fragment-2").style.display = "block";

		if (document.getElementById("tab3")) {
		    document.getElementById("tab3").className = "unselected";
		    document.getElementById("fragment-3").style.display = "none";
		}

	}
   else if(val == 3)
	{
		document.getElementById("tab3").className = "selected";
		document.getElementById("tab1").className = "unselected";
		document.getElementById("tab2").className = "unselected";
		
		document.getElementById("fragment-1").style.display = "none";
		document.getElementById("fragment-2").style.display = "none";
		document.getElementById("fragment-3").style.display = "block";
	}

}

/*Sends data to anothe rpage in post format
Paramenters:
1. to = page data will be posted to
2. p = parameeters in array key and value format e.g. {user:'peter',cc:'aus'}
how to call: <a href="javascript:postwith('post.aspx',{user:'peter',cc:'aus'})">click</a>
*/
function postwith (to,p) {
            var myForm = document.createElement("form");
            myForm.method="post" ;
            myForm.action = to ;
            for (var k in p) {
            var myInput = document.createElement("input") ;
            myInput.setAttribute("name", k) ;
            myInput.setAttribute("value", p[k]);
            myForm.appendChild(myInput) ;
            }
            document.body.appendChild(myForm) ;
            myForm.submit() ;
            document.body.removeChild(myForm) ;
}