/* ***********************************

	timer and button_active
	2009.2.9
	2009.3.5  timer erace
	
************************************ */

	
/* button_active
------------------------------------------*/	

function setNavActive(){

		var loca = window.location.href;
		var acHref = loca.substring(loca.lastIndexOf("/"));
		var acURL = acHref.substring(1,acHref.length);
		
				if(acURL.indexOf("?") > -1){
					acURL = acURL.substring(0,acURL.lastIndexOf("?"));
				}
		
		var linkId = new Array;
		
		linkId[0] = "nav-8f";
		linkId[1] = "nav-7f";
		linkId[2] = "nav-6f";
		linkId[3] = "nav-5f";
		linkId[4] = "nav-4f";
		linkId[5] = "nav-3f";
		linkId[6] = "nav-2f";
		linkId[7] = "nav-1f";
		
		
		
			for(i = 0; i <= linkId.length-1; i++){
				var aId = document.getElementById(linkId[i]);
		
				var aData = aId.currentStyle || document.defaultView.getComputedStyle(aId,"");
				var aBkUrl = aData.backgroundImage;
				
				var bkurl = aBkUrl.substring(0,aBkUrl.lastIndexOf("/")+1);
				
				
				var aBkimage = aBkUrl.substring(aBkUrl.lastIndexOf("/"));
				var abkfull = aBkimage.slice(1,-1);
		
				var abk = abkfull.substring(0,abkfull.lastIndexOf("."));
				var abk2 = abkfull.substring(abkfull.lastIndexOf("."));
				
				
				var linkHref = aId.getAttribute("href");
				
				
				//for IE
				if(navigator.userAgent.indexOf("MSIE") > -1){
					linkHref = linkHref.substring(linkHref.lastIndexOf("/")+1);
					}
					
				
				if(linkHref == acURL){
					aId.style.backgroundImage = bkurl + abk + "_ac" + abk2 + ")";
				}
			
			}
	
}