// JavaScript Document

//************************ MACROMEDIA FUNCTIONS ************************

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// change menu bg
function menuBgOver(obj) {
	obj.className="menuItemOver";
}

function menuBgOut(obj) {
	obj.className="menuItem";
}

function goURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function pviiObjbg(obj, new_color) { //v2.1 by Project VII
	obj.style.backgroundColor=new_color
}

// Check form

function Juge(theForm)
{ 

	if (frm.ch_email.value.length < 6)
	{
			allValid = false;
	}

	var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_@.";
	var checkStr = frm.ch_email.value;
	var allValid = true;
	for (i = 0;  i < checkStr.length;  i++)
	{
		ch = checkStr.charAt(i);
		for (j = 0;  j < checkOK.length;  j++)
		if (ch == checkOK.charAt(j))
			break;
		if (j == checkOK.length)
		{
			allValid = false;
			break;
		}
	}

	if (!allValid)
	{
		alert("your emaill is unavailable!");
		frm.ch_email.focus();
		return (false);
	}

	address=frm.ch_email.value;
    if(address.length>0)
	{
        i=address.indexOf("@");
        if(i==-1)
		{
			window.alert("your emaill is unavailable!")
			frm.ch_email.focus();
			return false
        }
       ii=address.indexOf(".")
        if(ii==-1)
		{
			window.alert("your emaill is unavailable!")
			frm.ch_email.focus();
			return false
        }

    }
	if (checktext(frm.ch_email.value))
	{
		alert("please add your available email\"ch_email\"!");
		frm.ch_email.select();
		frm.ch_email.focus();
		return (false);
	}


			function checktext(text)
			{
						allValid = true;

					for (i = 0;  i < text.length;  i++)
					{
						if (text.charAt(i) != " ")
						{
							allValid = false;
							break;
						}
					}

			return allValid;
			}
}