// Show News teasers on home page
var newsItems;
var newsItem;
var newsCount = 0;

// show first 2 news teasers on page load
function init() {
	if(document.getElementById("newsItems")){ /* remove errors */

		newsItems = document.getElementById("newsItems");
		newsItem = newsItems.getElementsByTagName("DIV");
		newsItem[0].style.display="block";
		newsItem[1].style.display="block";

	}
}

// show next/previous news teasers
function move(tcStep){
	newsItems = document.getElementById("newsItems");
	newsItem = newsItems.getElementsByTagName("DIV"); 
	
		newsItem[newsCount].style.display="none";
		newsItem[newsCount+1].style.display="none";

		if((tcStep > 0) && (newsCount + tcStep) >= newsItem.length){
				newsCount = -2;
				newsItem[newsCount+tcStep].style.display="block";
				newsItem[newsCount+tcStep+1].style.display="block";
				newsCount += tcStep;
			}
			
		else if((tcStep < 0) && (newsCount + tcStep) < 0) {
				newsCount =  newsItem.length;
				newsItem[newsCount+tcStep].style.display="block";
				newsItem[newsCount+tcStep+1].style.display="block";
				newsCount += tcStep;
			}
			
		else {
				newsItem[newsCount+tcStep].style.display="block";
				newsItem[newsCount+tcStep+1].style.display="block";
				newsCount += tcStep;
			}
}

window.onload=init;

function OpenPopUp(thePage,winName,w,h){

	var winHeight = "";
	var winWidth = "";

	if (w) { winWidth = w;} else {winWidth = 220;}
	if (h) { winHeight = h;} else {winHeight = 220;}

		var winParam = "";
		winParam += "status=0,";
		winParam += "toolbar=0,";
		winParam += "location=0,";
		winParam += "directories=0,";
		winParam += "menubar=0,";
      	winParam += "scrollbars=1,";
	   	winParam += "resizable=1,";
		winParam += "width=" + winWidth +",";
		winParam += "height=" + winHeight + ",";
		winParam += "left=20,";
		winParam += "top=20";
		
	NewPage = window.open(thePage, winName, winParam);
	NewPage.focus();
}