<!--
function checkprodouct()
{
	if(document.productsearch.productkey.value.replace(/^\s+|\s+$/g,"")=='请输入产品名称'){
		document.getElementById("productkey").value='';
	}
}
function checkproduct1()
{
	if(document.productsearch.productkey.value.replace(/^\s+|\s+$/g,"")==''){
		document.getElementById("productkey").value='请输入产品名称'	
	}	
}

function searchproductcheck(){

	var istrue = true;
	var alertcontent = '';
	
	if ((document.productsearch.productkey.value.replace(/^\s+|\s+$/g,"")=='请输入产品名称' || document.productsearch.productkey.value.replace(/^\s+|\s+$/g,"")=='') 
	&& (document.productsearch.productarea.value=='0' && document.productsearch.productvariety.value=='0' && document.productsearch.productyear.value=='0' && document.productsearch.productprice.value=='0'))
	{
		alert("请输入产品名称");
	}
	else if ( document.productsearch.productkey.value=="-1" && document.productsearch.productkey.value=="-1")
	{
		alert("请选择查询状态");
	}
	else
	{
		 document.productsearch.submit();
	}
	
}

//-->