// JavaScript Document
function echeck(obj)
{
	var str=obj.value;
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   alert("Invalid E-mail ID")
	   return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   alert("Invalid E-mail ID")
	   return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		alert("Invalid E-mail ID")
		return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
		alert("Invalid E-mail ID")
		return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		alert("Invalid E-mail ID")
		return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
		alert("Invalid E-mail ID")
		return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		alert("Invalid E-mail ID")
		return false
	 }
	return true;		
}
function oneWord(text)
{
	var objRegex = new RegExp("^[a-z0-9]*$", "i");
	if(text.match(objRegex)) return true;
	else return false;
}
function URLEncode(txt )
{
	// The Javascript escape and unescape functions do not correspond
	// with what browsers actually do...
	var SAFECHARS = "0123456789" +					// Numeric
					"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetic
					"abcdefghijklmnopqrstuvwxyz" +
					"-_.!~*'()";					// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";

	var plaintext = txt;
	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) {
		var ch = plaintext.charAt(i);
	    if (ch == " ") {
		    encoded += "+";				// x-www-urlencoded, rather than %20
		} else if (SAFECHARS.indexOf(ch) != -1) {
		    encoded += ch;
		} else {
		    var charCode = ch.charCodeAt(0);
			if (charCode > 255) {
			    alert( "Unicode Character '" 
                        + ch 
                        + "' cannot be encoded using standard URL encoding.\n" +
				          "(URL encoding only supports 8-bit characters.)\n" +
						  "A space (+) will be substituted." );
				encoded += "+";
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // for

	return encoded;
}
function get_radio_value(arr)
{
	for (var i=0; i < arr.length; i++)
	   if (arr[i].checked)
	      return arr[i].value;
}
	function SubmitNewsLetter()
	{
		if(document.getElementById('news_name').value=="")
		{
			alert('Please Enter Your Name');
			document.getElementById('news_name').focus();
			return false;
		}
		if(document.getElementById('news_email').value=="" )
		{
			alert('Please Enter Your Email');
			document.getElementById('news_email').focus();
			return false;
		}
		if(!echeck(document.getElementById('news_email')))
		{
			document.getElementById('news_email').focus();
			return false;
		}
			var ajobj = new Ajax("subscribe.php?name="+document.getElementById('news_name').value + "&email="+document.getElementById('news_email').value,"GET",ProcessData);
	}
	function ProcessData(rt)
	{
		if(rt=="")
		{
			alert('Thank you for subscribing our newsletters. Please Check Your Email and Confirm Your Request To Access Your Free Content.');
			document.getElementById('news_name').value = '';
			document.getElementById('news_email').value = '';
		}
		else
			alert('Some Error Occured.');
	}