var currentIndex = 0;
var thumbArray = new Array(5);
var normalArray = new Array(5);
var largeArray = new Array(5);
var textArray = new Array(5);

function changeThumb(index){
	closeWindow();
	var img = document.getElementById("largeProjectThumb");
	var href = document.getElementById("largeProjectThumbHref");
	var href2 = document.getElementById("enlargeImageHref");
	currentIndex = index;
	updatePaging(currentIndex);
	document.getElementById("powDisplayProjectImage").style.backgroundImage = "url("+normalArray[index]+")";
}

function updatePaging(index){
	var imgNo = document.getElementById("imgNumber");
	var currIndex = index+1;
	imgNo.innerHTML = "IMAGE " + currIndex + " Of "+ noOfImages;
}

function prevImg(){
	closeWindow();
	if(currentIndex!=0){
		changeThumb(currentIndex-1);
	}
}

function nextImg(){
	closeWindow();
   if(currentIndex<noOfImages-1){
	   changeThumb(currentIndex+1);
   }
}

function showCommentWindow(){
	document.getElementById("transbox").style.display='none';
	document.getElementById("powNavHelp").style.display='none';
	document.getElementById("powMediaSet").style.display='none';
	document.getElementById("architectFrame").style.display='none';
	document.getElementById("powCommentForm").style.display='block';
	document.getElementById("commentPanel").style.display='block';
	document.getElementById("commentStatus").style.display='none';
}

function hideCommentWindow(){
	document.getElementById("powCommentForm").style.display='none';
	document.getElementById("architectFrame").style.display='none';
	document.getElementById("powMediaSet").style.display='block';
	document.getElementById("transbox").style.display='block';
	document.getElementById("powNavHelp").style.display='block';
	
}

function closeArchitectWindow(){
	document.getElementById("architectFrame").style.display='none';
}

function showArchitectWindow(){
	document.getElementById("architectFrame").style.display='block';
}

function closeWindow(){
	closeArchitectWindow();
	hideCommentWindow();
}

function submitComment(){
	var url="/servlet/Dispatch";
	var objForm=document.pow_comment;	
	var returnUrlStr=objForm.nextUrl.value;
	var params="actionType="+objForm.actionType.value+
				"&pow_id="+objForm.pow_id.value+
				"&email="+objForm.email.value+
				"&submitter="+objForm.submitter.value+
				"&comment_description="+objForm.comment_description.value+
				"&nextUrl="+returnUrlStr;
	var http = createRequestObject();
	http.open("POST", url, true);
	http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http.setRequestHeader("Content-length", params.length);
	http.setRequestHeader("Connection", "close");
	document.getElementById("commentStatus").style.display='block';
	document.getElementById("commentStatus").innerHTML="<label><b>Processing request ...</b></label>";
	http.onreadystatechange = function() {
		if (http.readyState == 4 && http.status == "200") {
			var textout = http.responseText;
			document.getElementById("commentPanel").style.display='none';
			document.getElementById("commentStatus").innerHTML = textout;
		}
	}
	http.send(params);
}

function saveComment(){
	var objForm=document.pow_comment;
	if(!validateEmailv2(objForm.email.value)) {
		alert('Please enter your valid email address.');
	} else if(objForm.comment_description.value.length<=0) {
		alert('Please enter your comment.');
	} else {
		submitComment();
	}
}