// KidsHealth common Javascript

// Copyright date
var KHcopyDate=2009;

function MM_openBrWindow(theURL,winName,features)
{
	window.open(theURL,winName,features);

}

// Close window in all browsers
function closeWindow() {
	window.open('','_parent','');
	window.close();
}

// This is common for both Webby PopUp and Tracking Cookie.
function retrieveCookie( cookieName ) {
	var cookieJar = document.cookie.split( "; " );
	for( var x = 0; x < cookieJar.length; x++ ) 
	{
                var oneCookie = cookieJar[x].split( "=" );
		if( oneCookie[0] == escape( cookieName ) ) 
		{ 
                   return unescape( oneCookie[1] ); 
		}
	}
	return null;
}

// The following code is for Webby Popup - 2008

var page = "http://enzo.kidshealth.org/misc/voteForUs/vote.html"; 

var windowprops = "width=600,height=400,location=no,toolbar=no,menubar=no,scrollbars=no,resizable=no"; 
var expDays = .021;	//.02 means 30 minutes
//var expDays = .0021; // 3 minutes
var exp = new Date(); 
exp.setTime(exp.getTime() + (expDays*24*60*60*1000)); 


function delay()
{
	for(i=0; i<100000;i++){
	}
}

function setWebbyCookie( cookieName, cookieValue, lifeTime, path, domain, isSecure ) {
 	if( !cookieName ) { return false; }
	if( lifeTime == "delete" ) { lifeTime = -10; } //this is in the past. Expires immediately.
	
	document.cookie = escape( cookieName ) + "=" + escape( cookieValue ) +
		(lifeTime ? ";expires=" + exp.toGMTString() : "") +
		( path ? ";path=" + path : "") + ( domain ? ";domain=" + domain : "") + 
		( isSecure ? ";secure" : "");
	//check if the cookie has been set/deleted as required
	if( lifeTime < 0 ) 
	{ 
	 if( typeof( retrieveCookie( cookieName ) ) == "string" ) 
		{ 
			return false; 
		} 
        		return true; 
	}
	if( typeof( retrieveCookie( cookieName ) ) == "string" ) 
	{ 

		return true; 
	} 
	return false;
}
function DeleteCookie (name) 
{ 
	var expNow = new Date(); 
	expNow.setTime (expNow.getTime() - 1); 
	var cval = retrieveCookie ("kidshealthParentCookie"); 
	if(cval != null && cval.length > 0)
		document.cookie = "kidshealthParentCookie" + "=" + cval + "; expires=" + expNow.toGMTString() + "; path=/"; 
	else
		document.cookie = "kidshealthParentCookie=pkh_cookie" + "; expires=" + expNow.toGMTString() + "; path=/"; 
} 

function checkCookie()
{
	var myCookie = retrieveCookie( "kidshealthParentCookie" );
	
	if(myCookie != null && myCookie != "" && myCookie != "null" && myCookie.length > 0)
	{
		// alert("Webby Cookie already exists, so do not create and not show the survey screen");
	}
	else
	{
		// alert("Webby Cookie does not exists, please create it and show the survey screen.");
		
		DeleteCookie("kidshealthParentCookie");
		delay();
		var cookieAccepted = setWebbyCookie( "kidshealthParentCookie", "pkh_cookie", "10000", "/", "", "");
		// alert("cookieAccepted is : " + cookieAccepted);
		if(cookieAccepted == true)
    		   var newWindow = window.open(page, "test", windowprops); 
         }
}

// The following code is created for cookie tracking ... 

var TrackingCookingexpiryDate = new Date ( 2024, 02, 12 );
function setCookie( cookieName, cookieValue, lifeTime, path, domain, isSecure ) {
	if( !cookieName ) { return false; }
	document.cookie = escape( cookieName ) + "=" + escape( cookieValue ) +
 		(lifeTime ? ";expires=" + TrackingCookingexpiryDate.toGMTString() : "") +
		( path ? ";path=" + path : "") + ( domain ? ";domain=" + domain : "") + 
		( isSecure ? ";secure" : "");
}

// This method is used by both Tracking Cookie and webby popup.
function reInitializeCookie () 
{ 
   // Following is for Traking Cookie
     
     var myCookie = retrieveCookie ("KHCookie"); 

    if(myCookie != null && myCookie != "" && myCookie != "null" && myCookie.length > 0)
	{
             // alert("Cookie exists don't do any thing ....");		
	}
    else
        {
               var currentDate = new Date();
               var randomnumber=Math.floor(Math.random()*101);
             // alert("Cookie is created for the first time: random number Generated is :"  + randomnumber);
 	       var cookieAccepted = setCookie( "KHCookie", "KH_"+ randomnumber + currentDate.getTime(), "10000", "/", "",""); // modfied by sudha 

        } 

  // Commented out to prevent Webby Cookie from coming up. (CMH)
  // Following is for Webby Cookie.
   // var myWebbyCookie = retrieveCookie ("kidshealthParentCookie"); 
	// alert("myWebbyCookie = " + myWebbyCookie);
   	// if(myWebbyCookie != null && myWebbyCookie != "" && myWebbyCookie != "null" && myWebbyCookie.length > 0)
   	// {
        //	DeleteCookie("kidshealthParentCookie");
        //	delay();
        //	var webbycookieAccepted = setWebbyCookie( "kidshealthParentCookie", "pkh_cookie", "10000", "/", "", "");
		// alert("WebbycookieAccepted : " + webbycookieAccepted);
        // }
  // End of commenting out for Webby Award popup and cookie tracking (CMH)

}

function KH_unloadFunctions()
{
    // no need to do any thing for tracking cookie

    //following is for Webby cookie
     // alert("Before calling check cookie");

    // Comment out call from Webby popup and cookie trackin (CMH)
    // checkCookie();
    // End Commenting out from Webby popup and cookie trackin (CMH)

}

function ltrim ( s ) 
{ 
	return s.replace( /^\s*/, "" ) 
} 

function rtrim ( s2 ) 
{ 
	return s2.replace( /\s*$/, "" ); 
} 

function trim ( s ) 
{ 
	return rtrim(ltrim(s)); 
} 

function submit_contact_us_form(){ 
	//alert("111"); //alert(" document.mailForm.txtField_findUs.value  =" + document.mailForm.txtField_findUs.value + ",    document.mailForm.txtField_whatArticle.value =" + document.mailForm.txtField_whatArticle.value + ",  document.mailForm.txtField_thoughts.value =" + document.mailForm.txtField_thoughts.value + "--");
	if( (trim(document.mailForm.txtField_findUs.value) == null || trim(document.mailForm.txtField_findUs.value) == "") && 
		(trim(document.mailForm.txtField_whatArticle.value) == null || trim(document.mailForm.txtField_whatArticle.value) == "") && 
		(trim(document.mailForm.txtField_thoughts.value) == null || trim(document.mailForm.txtField_thoughts.value) == "") )	
	{
		alert("The form is blank. Please fill in the fields and send it again."); 
		return false;	
	}
	else
	{
		if (document.referrer && document.referrer!="")
			document.mailForm.parent_win_url.value = document.referrer;
//		if( document.layers )
//			document.mailForm.parent_win_url.value = window.opener.location.href;
//		else
//			document.mailForm.parent_win_url.value = window.opener.location;

		document.mailForm.submit(); 
		return true;
	}
}