function MM_findObj(n, d) 
{ //v4.01
	var p,i,x;  

	if(!d) 
		d=document; 

	if((p=n.indexOf("?"))>0&&parent.frames.length) 
	{
		d=parent.frames[n.substring(p+1)].document; 
		n=n.substring(0,p);
	}

	if(!(x=d[n])&&d.all) x=d.all[n]; 

	for (i=0;!x&&i<d.forms.length;i++) 
		x=d.forms[i][n];

	for(i=0;!x&&d.layers&&i<d.layers.length;i++) 
		x=MM_findObj(n,d.layers[i].document);

	if(!x && d.getElementById) 
		x=d.getElementById(n); 

	return x;
}

function MM_showHideLayers() 
{ //v3.0
	var i,p,v,obj,args=MM_showHideLayers.arguments;

	for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) 
	{ 
		v=args[i+2];

		if (obj.style) 
		{ 
			obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v;
		}

		obj.visibility=v; 
	}
}


function MM_jumpMenu(targ,selObj,restore)
{ //v3.0
	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");

	if (restore) 
	{
		selObj.selectedIndex=0;
	}
}


//Check item number is not empty
function chkForm()
{
	if (document.SeachForm.key.value.length<1)
	{
		alert ("Please input item number");
		document.SeachForm.key.focus();
		return false;
	}

	return true;
}