var xmlHttp;

function getTestimonies()
{
	document.getElementById("testimoniesPlaceHolder").innerHTML="<font class=\"smalltext\" >Retrieving entries....<br/></font>";

	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert("Browser does not support HTTP Request");
		return;
	} 
	var url="testimonies_entries.php";

	//url=url+"?q="+str;
	url=url+"?sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	xmlHttp.onreadystatechange=stateChanged;
} 

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("testimoniesPlaceHolder").innerHTML=xmlHttp.responseText;
	} 
} 

function GetXmlHttpObject()
{ 
	var objXMLHttp=null;
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest();
	} else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	return objXMLHttp;
}

function getVerse(versesDbCount)
{

	vsId = getRandomVerseSequenceId(versesDbCount);

	//clear placeholders
	document.getElementById("verseRefPlaceHolder").innerHTML=" ";
	document.getElementById("verseTextPlaceHolder").innerHTML=" ";

	document.getElementById("verseTextPlaceHolder").innerHTML="Retrieving verse....<p/>";
	placeHolder="verseRefPlaceHolder";
	
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert("Browser does not support HTTP Request");
		return;
	} 
	var url="verse.php?sequenceid="+vsId;

	//url=url+"?q="+str;
	url=url+"?sid="+Math.random();
	xmlHttp.onreadystatechange=getVerseStateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);

}

function getRandomVerseSequenceId(versesDbCount)
{
	//Math.random() generates a random number between 0 and 1.
	//We then multiply this number by the number of available verses and round it off to the nearest integer.
	//var versesCount=3;
	//var i = Math.round((versesCount-1)*Math.random());
	var i = Math.round((parseInt(versesDbCount)-1)*Math.random());
	return i;
}

function getVerseStateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		responseText = xmlHttp.responseText;
		verse = responseText.substring(0, responseText.indexOf("_@@@@@_"));
		verseText = responseText.substring(responseText.indexOf("_@@@@@_") + 7, responseText.indexOf("_*****_"));
		verseHref = responseText.substring(responseText.indexOf("_*****_") + 7);
		document.getElementById("verseRefPlaceHolder").innerHTML= verse;
		document.getElementById("verseTextPlaceHolder").innerHTML = verseText + "<br/>" + "<a href='" + verseHref + "' target='_blank'>Study verse</a>";
	} else
	{
		//alert('State not ready.  readyState=' + xmlHttp.readyState);
	}
}

String.prototype.trim = function() {
	a = this.replace(/^\s+/, '');
	return a.replace(/\s+$/, '');
};