/*
	Copyright Fabien Schwartz 2010
	http://www.fabienschwartz.ch
*/

var imgInfos = new Array();

function imgInfo(pos) {
	var info;
	getElementsByClassName1("img","mainImg");
	if(pos) {
		info=imgInfos[(0-pos)/700];
	} else { // pos = 0
		info=imgInfos[0];
	}
	document.getElementById("infoButton").innerHTML="<img src=\""+p+"img/info.png\" alt=\"Info\" />&nbsp;&nbsp;<span>"+info+"</span>";
}

function getElementsByClassName1(tagname, findClass) {
if(tagname)
{
 var aElm=document.body.getElementsByTagName(tagname);
 for(var i=0; i<aElm.length; i++) {
  if(aElm[i].className==findClass) {
   	imgInfos.push(aElm[i].alt);
   }
  }
 }
}