function newImage(arg) {
					if (document.images) {
						rslt = new Image();
						rslt.src = arg;
						return rslt;
						}
					}
					
					function changeImages() {
						if (document.images && (preloadFlag == true)) {
							for (var i=0; i<changeImages.arguments.length; i+=2) {
								document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
							}
						}
					}
					
					var preloadFlag = false;
					function preloadImages() {
						if (document.images) {
							NAV_BT_01_over = newImage("images/NAV-BT-01-over.gif");
							NAV_BT_02_over = newImage("images/NAV-BT-02-over.gif");
							NAV_BT_03_over = newImage("images/NAV-BT-03-over.gif");
							NAV_BT_04_over = newImage("images/NAV-BT-04-over.gif");
							NAV_BT_05_over = newImage("images/NAV-BT-05-over.gif");
			
								preloadFlag = true;
						}
					}
						


				function popup(mylink, windowname)
				{
				if (! window.focus)return true;
				var href;
				if (typeof(mylink) == 'string')
				   href=mylink;
				else
				   href=mylink.href;
				window.open(href, windowname, 'width=400,height=600,scrollbars=yes');
				return false;
				}

	
//read more function

// read more 1
function readMore1(){
document.getElementById('readMore1').style.display="none";
document.getElementById('more1').style.display="block";
document.getElementById('shorten1').style.display="block";

}
  
function shorten1(){
document.getElementById('readMore1').style.display="block";
document.getElementById('shorten1').style.display="none";
document.getElementById('more1').style.display="none";
}

// read more 2
function readMore2(){
document.getElementById('readMore2').style.display="none";
document.getElementById('more2').style.display="block";
document.getElementById('shorten2').style.display="block";

}
  
function shorten2(){
document.getElementById('readMore2').style.display="block";
document.getElementById('shorten2').style.display="none";
document.getElementById('more2').style.display="none";
}


//read more 3
function readMore3(){
document.getElementById('readMore3').style.display="none";
document.getElementById('more3').style.display="block";
document.getElementById('shorten3').style.display="block";

}
  
function shorten3(){
document.getElementById('readMore3').style.display="block";
document.getElementById('shorten3').style.display="none";
document.getElementById('more3').style.display="none";
}