// layer On Off Function

var layerID = new Array;
layerID[0] = "page01";
layerID[1] = "page02";
layerID[2] = "page03";
layerID[3] = "page04";
layerID[4] = "page05";
layerLen = layerID.length;

var lnkID = new Array;
lnkID[0] = "layerLnk01";
lnkID[1] = "layerLnk02";
lnkID[2] = "layerLnk03";
lnkID[3] = "layerLnk04";
lnkID[4] = "layerLnk05";

var errFlag = true;

var errHTML = "<p><span class='txError'>URLが不正のため正しい表示ができませんでした。</span></p>";


function setLayer() {
	var q =  window.location.href.indexOf( '?', 0 );
	
	for(i=0; i < layerLen ; i++) {
		try {
			document.getElementById(layerID[i]).style.display='none';
		} catch(e) {
			
		}
	}
	
	if( q == -1 ) {
		try {	
			document.getElementById(layerID[0]).style.display='block';
			lObj = document.getElementById(lnkID[0]);
			lClsChk = lObj.className;
			if(lClsChk == "ov") {
				lObj.className = "noOv";
				lPObj = lObj.parentNode;
				lPObj.removeAttribute("href");
			}
			
			lOrgPass = lObj.getAttribute("src");
			lExtStr = lOrgPass.substring(lOrgPass.lastIndexOf(".") +1,lOrgPass.length);
			lChngPass = lOrgPass.substring(0,lOrgPass.lastIndexOf("."));
			lChngPass = lChngPass + "_ov" + "." + lExtStr;
			lObj.setAttribute("src",lChngPass);
		} catch(e) {
			
		}
			
	}
	else
	{
			var c = window.location.href;
			nAry = c.split("#");
			var n = nAry[0].substring( q + 1, window.location.href.length );
			
			for(i=0; i < layerLen ; i++) {
				if(layerID[i] == n) {
					errFlag = false;
					lnkSel = i;
				}
			}
			
			if(errFlag == false) {
					try {
							document.getElementById(n).style.display='block';
							lObj = document.getElementById(lnkID[lnkSel]);
							lClsChk = lObj.className;
							if(lClsChk == "ov") {
								lObj.className = "noOv";
								lPObj = lObj.parentNode;
								lPObj.removeAttribute("href");
							}
							
							lOrgPass = lObj.getAttribute("src");
							lExtStr = lOrgPass.substring(lOrgPass.lastIndexOf(".") +1,lOrgPass.length);
							lChngPass = lOrgPass.substring(0,lOrgPass.lastIndexOf("."));
								lChngPass = lChngPass + "_ov" + "." + lExtStr;
							lObj.setAttribute("src",lChngPass);
							location.href = "#brand";
					} catch(e) {
					
					}
			
			}else{
				document.getElementById("brandLayerBox").innerHTML = errHTML;
			}
			
			

	}
}