// JavaScript Document


//set cookie

function Set_Cookie( name, value, expires, path, domain, secure ) 
{
// set time, it's in milliseconds
var today = new Date();
today.setTime( today.getTime() );

/*
if the expires variable is set, make the correct 
expires time, the current script below will set 
it for x number of days, to make it for hours, 
delete * 24, for minutes, delete * 60 * 24
*/
if ( expires )
{
expires = expires * 1000 * 60 * 60 * 24;
}
var expires_date = new Date( today.getTime() + (expires) );

document.cookie = name + "=" +escape( value ) +
( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
( ( path ) ? ";path=" + path : "" ) + 
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
}


// this fixes an issue with the old method, ambiguous values 
// with this test document.cookie.indexOf( name + "=" );
function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f
	
	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );
		
		
		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
	
		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}				
	
	
	// this function gets the cookie, if it exists
// don't use this, it's weak and does not handle some cases
// correctly, this is just to maintain legacy information
function Get_Cookie( name ) {
	
var start = document.cookie.indexOf( name + "=" );
var len = start + name.length + 1;
if ( ( !start ) &&
( name != document.cookie.substring( 0, name.length ) ) )
{
return null;
}
if ( start == -1 ) return null;
var end = document.cookie.indexOf( ";", len );
if ( end == -1 ) end = document.cookie.length;
return unescape( document.cookie.substring( len, end ) );
}


// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) {
if ( Get_Cookie( name ) ) document.cookie = name + "=" +
( ( path ) ? ";path=" + path : "") +
( ( domain ) ? ";domain=" + domain : "" ) +
";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}




function req(myField, myLabel) {
	var result=true;
	//alert(myField.value);

	if(myField.value==""){
		alert('Please Enter a value for the "'+myLabel+'"field.');
		result= false;
		myField.focus();
		
		}
		return result;
}


function validEmail(myField, myLabel) {
		var result = false;
		var tempstr = new String(myField.value);
		var aindex = tempstr.indexOf("@");
		
		//alert(myField.value);
		if (aindex > 0) {
			var pindex=tempstr.indexOf(".", aindex);
			//alert(tempstr+aindex+pindex);
			if ((pindex > aindex+1)	&& (tempstr.length > pindex+1)) {
				result = true;
			} else {
				result= false; 
				}
		}
		
		
		if (!result) {
		alert('This is not a valid email. Please Enter a valid email address in the "'+myLabel+'"field.');
		myField.focus();
		result= false;
		}
		return result;
		
}

function validate(myForm){
	//blank required field
	//window.alert(myForm.txtEmail.value);
	//window.alert("OK:");
	//window.alert(myForm.txtName.value);
	//confirm("Are you sure?"); 
	if (! req(myForm.txtName, "Name")){
	//window.alert(myForm.txtName.value);
		return false;
	}
	
	if (! req(myForm.txtEmail, "Email")){
	//window.alert(myForm.txtName.value);
		
		return false;
	}
	
	
	//valid e-mail
	if (!validEmail(myForm.txtEmail, "Email")){
		return false;
	}
	Set_Cookie(txtName, myForm.txtName.Value);
	Set_Cookie(txtEmail, myForm.txtEmail.Value);
	Set_Cookie(name, 'ravi');
	//Set_Cookie(txtEmail, myForm.txtEmail.Value, '', 'c:\cookie.txt', '', 'www.cognigene.com');
	Set_Cookie(sltSubject, myForm.sltSubject.Value);
	Set_Cookie("technofundoDemoCookie", "Manish", nextMonth);
	return true;
}