function toolHover(clientId,toolId) {
	var tool;
	for (i = 0; i <= toolsCount; i++) {
		tool = document.getElementById(clientId+"_content" + i);
		if (tool) {
			if (i == toolId) {
				tool.className = "item-show";
			} else {
				tool.className = "item-hide";
			}
		}
	}
}

function setDefaultTool(clientId) {
	var tool = document.getElementById(clientId+"_content0");
	for (i = 1; i <= toolsCount; i++) {
		tool = document.getElementById(clientId+"_content" + i);
		if (tool) {
			tool.className = "item-hide";
		}
	}
}