function showMenu(str)
{
	str = "mn"+str;
	if(document.getElementById(str).style.display=="")
	{
		closeall();
		document.getElementById(str).style.display="none";
	}
	else if(document.getElementById(str).style.display=="none")
	{
		closeall();
		document.getElementById(str).style.display="";
	}
}
 
function closeall()
{
	var testdivArr=document.getElementsByTagName("div");
	for(var i=0;i<testdivArr.length;i++)
	{
		if(testdivArr[i].id.indexOf("mn")>=0)
		{
			testdivArr[i].style.display="none";
		}
	}
}

function setCurrency(s){
s = String(s);
if(s.indexOf('-')==0){
   //计算负数
   s= s.substring(1,s.lenght);
   alert("ddddd"+s);
   if(/[^0-9\.\-]/.test(s)) return "invalid value";
   s=s.replace(/^(\d*)$/,"$1.");

   s=(s+"00").replace(/(\d*\.\d\d)\d*/,"$1");//取小数点后两位
   s=s.replace(".",",");
   var re=/(\d)(\d{3},)/;
   while(re.test(s))
    s=s.replace(re,"$1,$2");
    s=s.replace(/,(\d\d)$/,".$1");//取小数点后两位
   
   return '-'+s.replace(/^\./,"0.")
}else{
   //计算正数
   if(/[^0-9\.\-]/.test(s)) return "invalid value";
   s=s.replace(/^(\d*)$/,"$1.");

   s=(s+"00").replace(/(\d*\.\d\d)\d*/,"$1");//取小数点后两位
   s=s.replace(".",",");
   var re=/(\d)(\d{3},)/;
   while(re.test(s))
    s=s.replace(re,"$1,$2");
    s=s.replace(/,(\d\d)$/,".$1");//取小数点后两位
   
   return s.replace(/^\./,"0.")
}
}