function setIcon(plusP,plusC,minusP,minusC){

	//ICON PRELOAD
	listImgP = new Array();
	listImgP['plus'] = new Image();
	listImgP['plus'].src = plusP;
	listImgP['minus'] = new Image();
	listImgP['minus'].src= minusP; 

	listImgC = new Array();
	listImgC['plus'] = new Image();
	listImgC['plus'].src = plusC;
	listImgC['minus'] = new Image();
	listImgC['minus'].src = minusC;
	
	//SET CLOSE
	var num = 0;
	for(i=0;i<document.getElementById('category-list').getElementsByTagName('li').length;i++){
		
		if(document.getElementById('category-list').getElementsByTagName('li')[i].id.substring(0,5) == 'child'){
			document.getElementById('category-list').getElementsByTagName('li')[i].getElementsByTagName('ul')[0].style.display = 'none';			
			document.getElementById('category-list').getElementsByTagName('li')[i].getElementsByTagName('img')[0].src = listImgC['plus'].src;
		}

	}
	
	//SEARCH OPTION
	if(document.getElementById('search-option').getElementsByTagName('select')[0].value == '' && document.getElementById('search-option').getElementsByTagName('select')[1].value == ''){
	
		document.getElementById('search-option').style.display = 'none';
	
		document.getElementById('search-option').style.display = 'none';
		
		document.getElementById('option-text').firstChild.nodeValue = '検索オプション'
		document.getElementById('default-btn').style.display = 'inline';
	
	}else{
		document.getElementById('search-option').style.display = 'block';
		
		document.getElementById('search-option').style.display = 'block';
		
		document.getElementById('option-text').firstChild.nodeValue = '検索オプションを閉じる'
		document.getElementById('default-btn').style.display = 'none';
	}
}

//TOGGLE SWITCH
function toggle(img){
	
	if(img.parentNode.getElementsByTagName('ul')[0] != undefined){
	
		var parentId = img.parentNode.id;
		var listObj = document.getElementById(parentId).getElementsByTagName('ul')[0];
		
		if(listObj.style.display == 'none'){
			listObj.style.display = 'block';
			
			if(parentId.substring(0,1) == 'p'){
				img.src = listImgP['minus'].src;
			}else{
				img.src = listImgC['minus'].src;
			}
			
		}else{
			listObj.style.display = 'none';
			
			if(parentId.substring(0,1) == 'p'){
				img.src = listImgP['plus'].src;
			}else{
				img.src = listImgC['plus'].src;
			}
		}
	
	}else{
		return false;	
	}
}

//SEARCH OPTION
function toggleOption(){
	if(document.getElementById('search-option').style.display == 'none'){
		document.getElementById('search-option').style.display = 'block';
		
		document.getElementById('option-text').firstChild.nodeValue = '検索オプションを閉じる'
		document.getElementById('default-btn').style.display = 'none';
	}else{
		document.getElementById('search-option').style.display = 'none';
		
		document.getElementById('option-text').firstChild.nodeValue = '検索オプション'
		document.getElementById('default-btn').style.display = 'inline';
	}
}