// JavaScript Document
function UA_chageBlock(blockNum){
	var blockName = 'Block' + blockNum;
	var blockState = UA_changeDisplayById(blockName);
	UA_changeTriangle(blockNum,blockState);
}

function UA_changeTriangle(imageNum,imageState){
	var imageName = 'related-Image'+imageNum;
	var imageSrc = 'image/common/related-detail_'+imageNum.substr(0,1)+imageState+'.jpg'
	document.getElementById(imageName).src = imageSrc;
}

function UA_changeDisplayById(n) { //IDを表示したり、非表示にしたり
	//引数はIDの名前
	var idname = n;
	if(document.getElementById(idname).style.display != 'block'){
		document.getElementById(idname).style.display = 'block';
		var blockState = 'b';
	}else{
		document.getElementById(idname).style.display = 'none';
		var blockState = 'n';
	}
	return blockState;
}

function UA_changeImage(imageId, fileName) {
	document.getElementById(imageId).src = 'image/' + fileName;
}