// JavaScript Document

function describe(obj) {

	var description;
	for (i = 0; i < obj.parentNode.childNodes.length; i++) {
		if (obj.parentNode.childNodes[i].className == "menuCell") {
			description = obj.parentNode.childNodes[i];
			break;
		}
	}
	if (description.style.display == 'block') {
		description.style.display = 'none';
		obj.parentNode.style.backgroundColor = "transparent";

	} else {
		description.style.display = 'block';
		obj.parentNode.style.backgroundColor = "#000000";

	}
	
}

function openSidemenu(idx){
	
	var chkCnt = 0;
	
	//sidemenu
	var obj1 = document.getElementById('sidemenu');
	
	for(var lc1=0;lc1<obj1.childNodes.length;lc1++){
		if(obj1.childNodes[lc1].tagName=="DIV"){
			
			//もしタグがDIVなら…
			var obj2 = obj1.childNodes[lc1];
			for(var lc2=0;lc2<obj2.childNodes.length;lc2++){
				
				//もしタグがDIVなら…
				if(obj2.childNodes[lc2].tagName=="DIV"){
					
					var obj3 = obj2.childNodes[lc2];
					for(var lc3=0;lc3<obj3.childNodes.length;lc3++){
						
						//もしクラス名がcellmenuなら…
						if(obj3.childNodes[lc3].className=="menuCell"){
							chkCnt++;
							if(idx==chkCnt){
								//alert(obj3.childNodes[lc3].className);
								describe(obj3.childNodes[lc3]);
							}
						}
					}
				}
			}
			break;
		}
	}
	
}