// 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 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 LaunchCCChat()
{
	if(window.childW != null) 
		{childW.focus(); return false; } 
	
	//	var d =DetectFlashVersion(9);
	//	if(d){ 
		Delete_Cookie( 'vista[livehelpid]', '/', 'tutorvista.co.in' ); 
		childW = window.open('http://www.tutorvista.co.in/vista/login/cc_chatln.php','helpwindow','menubar=no,alwaysRaised=yes,dependent=yes,width=350,height=412,resizable=no','replace=true'); 
	//		} 
	//	else { 
	//	 window.open('http://www.tutorvista.co.in/vista/um/instant/flashinformation.php?f=no','helpwindow','menubar=no,alwaysRaised=yes,dependent=yes,width=350,height=412,resizable=no','replace=true');
	//	}
	return false;
}

function LaunchTHelpChat()
{
	var win_url 	=	"http://www.tutorvista.co.in/vista/login/cc_chatln.php";
	var win_name 	=	"tvhelpwindow";
	var win_params 	=	"menubar=no, alwaysRaised=yes, dependent=yes, width=350, height=412, scrollbars=no, resizable=no";
	var win_option	=	"replace=true";

	Delete_Cookie( 'vista[livehelpid]', '/', 'tutorvista.co.in' );
	var tvHelpW	=	window.open(win_url, win_name, win_params, win_option);
	tvHelpW.focus();
	return false;
}

function CCMailPopUp()
{
	var win_url 	=	"http://www.tutorvista.co.in/vista/mail/ccmail.php";
	var win_name 	=	"ccmailwindow";
	var win_params 	=	"menubar=no, alwaysRaised=yes, dependent=yes, width=350, height=375, scrollbars=no, resizable=no";
	var win_option	=	"replace=true";

	var ccMailWin	=	window.open(win_url, win_name, win_params, win_option);
	ccMailWin.focus();

	return false;
}

function LaunchUpsellChat()
{
	var win_url 	=	"http://www.tutorvista.co.in/vista/helpchat/student/main.php?f=true&careCategory=6";
	var win_name 	=	"tvhelpwindow";
	var win_params 	=	"menubar=no, alwaysRaised=yes, dependent=yes, width=350, height=412, scrollbars=no, resizable=no";
	var win_option	=	"replace=true";

	Delete_Cookie( 'vista[livehelpid]', '/', 'tutorvista.co.in' );
	var tvUpsellW	=	window.open(win_url, win_name, win_params, win_option);
	tvUpsellW.focus();
	return false;
}