function bookmarksite(title,url){

if (window.sidebar)

	window.sidebar.addPanel(title, url, "");

else if(window.opera && window.print){

	var elem = document.createElement('a');

	elem.setAttribute('href',url);

	elem.setAttribute('title',title);

	elem.setAttribute('rel','sidebar');

	elem.click();

} 

else if(document.all)

	window.external.AddFavorite(url, title);

}



var state = 'none';



function showhide(layer_ref) {



if (state == 'block') {

state = 'none';

}

else {

state = 'block';

}

if (document.all) { //IS IE 4 or 5 (or 6 beta)

eval( "document.all." + layer_ref + ".style.display = state");

}

if (document.layers) { //IS NETSCAPE 4 or below

document.layers[layer_ref].display = state;

}

if (document.getElementById &&!document.all) {

hza = document.getElementById(layer_ref);

hza.style.display = state;

}

}



function emailCheck (emailStr)

{

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

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

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

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

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

	var atom=validChars + '+';

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

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

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

	var matchArray=emailStr.match(emailPat);

	if (matchArray==null) 

	{

		alert("Please verify Email Address (check @ and .'s)");

		document.form_sub.email_id.select();

		document.form_sub.email_id.focus();

		return(false);

	}

	var user=matchArray[1];

	var domain=matchArray[2];

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

	{

    	alert("Please Specify a valid username in Email Address!");

    	return(false);

	}

	var IPArray=domain.match(ipDomainPat);

	if (IPArray!=null) 

	{

    // this is an IP address

	  	for (var i=1;i<=4;i++) 

		{

	    	if (IPArray[i]>255) 

			{

	        	alert("Destination IP address is invalid!");

				return(false);

	    	}

    	}

    	return(true);

	}

	var domainArray=domain.match(domainPat);

	if (domainArray==null) 

	{

		alert("Please Specify a valid domain name!");

    	return(false);

	}

	var atomPat=new RegExp(atom,"g");

	var domArr=domain.match(atomPat);

	var len=domArr.length;

	if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>4)

	{

   		alert("The address must end in a valid domain, or two letter country.");

   		return(false);

	}

	if (len<2) 

	{

   		var errStr="This address is missing a hostname!";

   		alert(errStr);

   		return(false);

	}

	return true;

}



function validate_signup()

{

	if(document.form_sub.email_id.value=='')

	{

		alert("Please Specify Email Address!");

		document.form_sub.email_id.focus();

		return(false);

	}

	else if(document.form_sub.email_id.value.match(/[&;<>]+/))

	{

		alert("Please remove Invalid characters from Email Address (e.g. & ; < >)");

		document.form_sub.email_id.select();

		document.form_sub.email_id.focus();

		return(false);

	}

	else

	{

		//==============

		if(!document.form_sub.email_id.value.match(/[a-zA-Z\.\@\d\_]/)) 

		{

       		alert('Please Specify a valid Email Address.');

			document.form_sub.email_id.select();

			document.form_sub.email_id.focus();

        	return false;

       	}

		if (!emailCheck (document.form_sub.email_id.value) )

		{

			document.form_sub.email_id.select();

			document.form_sub.email_id.focus();

			return (false);

		}

	}	//=================

	return (true);

}



function validate()

{

	if(document.form2.username.value=='')

	{

		alert("Please Specify Username!");

		document.form2.username.focus();

		return(false);

	}

	if(document.form2.userpassword.value=='')

	{

		alert("Please Specify Password!");

		document.form2.userpassword.focus();

		return(false);

	}	

	return (true);

}