///////////////detail images////////////////

function swap(img) {
   var image;
   image = document.getElementById('MainImg');
   image.src = img.src;
   image.alt = img.alt;
   image.title = img.title;
}

///////////sitenews navigation////////////



function setNavItems(strNavId,intDateIDX) {
	var objATag;
	objATag = document.getElementById(strNavId);
	var strDate = getDate(intDateIDX);
	if (arrDates[intDateIDX] == undefined) {
		objATag.removeAttribute('href');
		objATag.innerHTML = strDate;
		objATag.className = 'undefinedSiteNewsNav';
	}
	else {
		objATag.href = strBasePage + arrDates[intDateIDX] + '.html';
		objATag.innerHTML = strDate;
		if (intDateIDX==intActive) {
			objATag.className = 'actSiteNewsNav';
		}
		else {
			objATag.className = 'normalSiteNewsNav';
		}
	}

}


function setNav(strNavId,intNextCurrentIDX) {
	var objIMGTag;
	objIMGTag = document.getElementById(strNavId);
		if (arrDates[intNextCurrentIDX] == undefined) {
			objIMGTag.removeAttribute('onclick');
		}
		else {
			objIMGTag.onclick = function() {loadDates(intNextCurrentIDX)};
	}
}

function getDate(intIDX) {
	var addMonths;
	var intMonth;
	var intYear;
	var arrDate = new Array();
	if (intIDX > arrDates.length-1) {
		arrDate = arrDates[arrDates.length-1].split('-');
		addMonths = intIDX - (arrDates.length-1);
		intMonth = parseInt(arrDate[1]) + addMonths;
		intYear = parseInt(arrDate[0]);
		if (intMonth > 12) {
			intMonth = intMonth - 12;
			intYear = intYear + 1;
		}
		return intYear + "-" + pad(intMonth);
	}
	else if (intIDX < 0) {
		arrDate = arrDates[0].split('-');
		intMonth = parseInt(arrDate[1]) + intIDX;
		intYear = parseInt(arrDate[0]);
		if (intMonth < 1) {
			intMonth = intMonth + 12;
			intYear = intYear - 1;
		}
		return intYear + "-" + pad(intMonth);
	}
	else {
		return arrDates[intIDX];
	}
}

function pad(intValue) {
	if (intValue < 10) {
		return "0" + intValue;
	}
	else {
		return intValue;
	}
}