/* **********************
 * swapimage : for swap image in <img name="xxx"> by using tagname as a 
 * *********************/
	
		function swapimage(tagname, imgname) {
			if (tagname != null || imgname != null) {
				
				var imgDir = tagname.toLowerCase();			
				var imgPath = imgDir + '/' + imgname + '.jpg';
 				var imgLoc = document.getElementsByName(tagname);	
								
				if (imgLoc.length == 1)	{				
					imgLoc[0].src = imgPath;	
				}
			}
		}	
		
		function swapimageExternal(tagname, imgname, iUrl) {
			if (tagname != null || imgname != null || iURL != null) {
				
				var imgDir = tagname.toLowerCase();			
				var imgPath = 'http://' + iUrl + '/'+ imgDir + '/' + imgname + '.jpg';
 				var imgLoc = document.getElementsByName(tagname);	
								
				if (imgLoc.length == 1)	{				
					imgLoc[0].src = imgPath;	
				}
			}
		}