// JavaScript Document


// PORTFOLIO POPULATION
var currImg = 0;

function initAll() {
	var imgCt = imgList.length;
	
	document.getElementById("banner").innerHTML = bannerText[0];
	document.getElementById("projectInfo").innerHTML = middleText[0];
	document.getElementById("pageNum").innerHTML = "<p>1 of " + imgCt + "</p>";

	document.getElementById("prevLink").src="_images/arrow_left_off.gif";

     document.getElementById("prevLink").onclick = processPrevious;
	document.getElementById("nextLink").onclick = processNext;
}

function processPrevious() {

	if(currImg != 0) {
		newSlide(-1);
		document.getElementById("prevLink").src="_images/arrow_left_on.gif";
		document.getElementById("nextLink").src="_images/arrow_right_on.gif";
	}
	
	if(currImg == 0) {
		document.getElementById("prevLink").src="_images/arrow_left_off.gif";
	}
}

function processNext() {
	var imgCt = imgList.length;

	if(currImg != imgCt-1) {
		newSlide(1);
		document.getElementById("prevLink").src="_images/arrow_left_on.gif";
		document.getElementById("nextLink").src="_images/arrow_right_on.gif";
	}
	if (currImg == imgCt-1) { 
		document.getElementById("nextLink").src="_images/arrow_right_off.gif";
	}

}

function newSlide(direction) {
	var imgCt = imgList.length;

	currImg = currImg + direction;

	document.getElementById("banner").innerHTML = bannerText[currImg];
	document.getElementById("pageNum").innerHTML = "<p>"+(currImg +1) + " of " + imgList.length+"</p>";
	document.getElementById("projectInfo").innerHTML = middleText[currImg];


}