// Cookie functions 

function mycreateCookie(value,hours) {
/*alert("create cookie for "+value);*/	
if (hours) {
		var date = new Date();
		date.setTime(date.getTime()+(hours*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = 'emailtest'+"="+value+expires+"; path=/";
	var test = myreadCookie('emailtest');
	return true;
	/*alert("Cooke Value is set too :: "+test);*/
}

function myreadCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function mydeleteCookie(name,value) {
	var expires = "expires=Thu, 01-Jan-1970 00:00:01 GMT";
	document.cookie = name+"="+value+expires+"; path=/";
}

function updateCookie()
{
	mydeleteCookie('emailtest','expired');
}

function emailfind(email)
{
	var test = myreadCookie('emailtest');
	if(test==email)
	{
		return true;
	}else{
		return false;
	}
}
// If the element's string matches the regular expression it is numbers and letters
function isAlphanumeric(myvalue){
	var alphaExp = /^[0-9a-zA-Z]+$/;
	if(myvalue.match(alphaExp)){
		return true;
	}else{
		return false;
	}
}