/* Nathan Gilbert */
pics = new Array("../images/58E470S/IM000845.JPG","../images/58E470S/IM000849.JPG",
					  "../images/58E470S/IM000852.JPG", "../images/58E470S/IM000855.JPG", 
					  "../images/58E470S/IM000862.JPG", "../images/58E470S/IM000877.JPG", 
					  "../images/58E470S/IM000868.JPG"
					  );

picsBig = new Array("../images/58E470S/IM000845.JPG","../images/58E470S/IM000849.JPG",
					  "../images/58E470S/IM000852.JPG", "../images/58E470S/IM000855.JPG", 
					  "../images/58E470S/IM000862.JPG", "../images/58E470S/IM000877.JPG", 
					  "../images/58E470S/IM000868.JPG"
					  );
					
caption = new Array("Front view", "Living room", "Dinning area", "Kitchen", "Full Bath (upstairs)", "Family Room", "3/4 Bath");

imgCt = pics.length - 1;

currentImg = 0;

function findLinkByHref(href) {
  for (var i=0; i < document.links.length; i++) {
    if (document.links[i].href == href) return i;
  }
  
  return -1;
}

function changeLinkHref(id,newHref,oldHref) {
  if (document.links.length > 0) {    
    if (document.getElementById) {
      document.getElementById(id).href = newHref;
    }
    else if (document.all) {
      document.all[id].href = newHref;
    }
    else {
      var index = findLinkByHref(oldHref);
      if (index > -1)
        document.links[index].href = newHref;
    }
  }
}

function getNext(num) {
	
	if(num > imgCt){
		document.currentPic.src = pics[0];
		changeLinkHref('addy', picsBig[0], pics[0]);
		document.getElementById('caption').innerHTML = caption[0];
				
	}
	else {
		document.currentPic.src = pics[num];
		changeLinkHref('addy', picsBig[num], picsBig[currentImg]);
		document.getElementById('caption').innerHTML = caption[num];
	}
	
	currentImg = num;
}

function changeText(num){
	
}