function isEmail(emailStr1)			/// VALIDATE EMAIL FUNCTION
{
		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=emailStr1.match(emailPat)
		if (matchArray==null) {
			alert("Email address seems incorrect (check @ and .'s)")		
			return false
		}
		var user=matchArray[1]
		var domain=matchArray[2]
		if (user.match(userPat)==null) {
			alert("Please specify a valid email address.")

			return false
		}
		var IPArray=domain.match(ipDomainPat)
		if (IPArray!=null) {
			  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("The domain name doesn't seem to be valid.")
			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>3) {
		   alert("The address must end in a three-letter 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 InvalidCharachter(type, testField)
{
	switch(type)
	{
		case 'text' : 
				var invalidChars = '0123456789`~!@#$%^&*()[]\{\}\-_+=/\'\\"<>,.;:?^|';
				for (i=0; i<invalidChars.length; i++) {
					if (testField.indexOf(invalidChars.charAt(i),0) > -1)
					{
						return false;			
					}
				}
				break;
				case 'specialchars' : 
				var invalidChars = '0123456789`~!@#$%^&*()[]\{\}\_+=/\'\\"<>,.;:?^|';
				for (i=0; i<invalidChars.length; i++) {
					if (testField.indexOf(invalidChars.charAt(i),0) > -1)
					{
						return false;			
					}
				}
				break;
		case 'number' :
				var invalidNumbers = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz`~!@#$%^&*()[]\{\}\_=/\'\\"<>,.;:?^|-+';
				for (i=0; i<invalidNumbers.length; i++) {
					if (testField.indexOf(invalidNumbers.charAt(i),0) > -1)
					{
						return false;			
					}
				}
				break;
		case 'symbol' :
				var invalidSymbols = '`~!@#$%^&*()[]\{\}\-_+=/\'\\"<>,.;:?^|';
				for (i=0; i<invalidSymbols.length; i++) {
					if (testField.indexOf(invalidSymbols.charAt(i),0) > -1)
					{
						return false;			
					}
				}
				break;
		default : 
				return false;
				break;
	}
}

String.prototype.trim = function()
{
	return this.replace(/^\s+|\s+$/g,'');
}

function validateEmail()
{
	var email = document.getElementById('news-email').value;
	if(email.trim() == '')
	{
		alert("Please enter your email.");
		document.getElementById('news-email').focus();
		return false;
	}
	else if(isEmail(email.trim()) == false)
	{
		document.getElementById('news-email').focus();
		return false;
	}
	else
	{
		getInfo();
		return false;
	}
}