function checkSimpleSearch(){
	var search = document.getElementById("keyName").value;
	if ((search=="")){
		alert("请输入商品名称！");
		return false;
	}
}

function checkAdvanceSearch(){
	var search = document.getElementById("productName").value;
	var lowPrice = document.getElementById("lowPrice").value;
	var highPrice = document.getElementById("highPrice").value;
	
	if (isNaN(lowPrice)){
		document.getElementById("lowPrice").value = 1;
	}
	
	if (isNaN(highPrice)){
		document.getElementById("highPrice").value = 10000;
	}
	
	if ((search=="")){
		alert("请输入商品名称！");
		return false;
	}else{
		document.getElementById('pageInfo.pageNo').value='1';
		controller.refresh();
	}
}

function searchSubmit(){
	document.getElementById('pageInfo.pageNo').value='1';
	//return false;
	controller.refresh();
}