var tsearch=false;
function Checksearch(txtsearch){
	if (trim(document.getElementById(txtsearch).value)==""){
	alert("請輸入關鍵字");
	return false;
	}
}


function checktxt(txtsearch){
document.getElementById(txtsearch).value=trim(document.getElementById(txtsearch).value);
if (document.getElementById(txtsearch).value==""||document.getElementById(txtsearch).value=="請輸入關鍵字"){
alert("請輸入關鍵字");
return false;
}
}

function trim(instr){
  return instr.replace(/^[\s]*/gi,"").replace(/[\s]*$/gi,"");
}

function beginsearch() {
var msearch=trim(document.all.q.value);
	if (msearch != "")
	{
	  if (msearch == "紅十字"&&tsearch==false){
	    alert("請輸入關鍵字");
		return false;
	  }	  
	  window.location.href='product_catagory2.aspx?msearch='+encodeURI(msearch);
	}else{
	alert("請輸入關鍵字");
	return false;
	}

}