function switchDisplay(id,imgsrc,mainimage)
{
	ctrl = document.getElementById(id);
		
	if (ctrl.style.display == "")
	{
		if(mainimage.name != '')
		{
			mainimage.src = "images/plus.gif";
			ctrl.style.display = "none";
		}
	}
	else
	{
		if(mainimage.name != '')
		{
			ctrl.style.display = "";
			mainimage.src="images/minus.gif";
		}
	}	
	//Close all other menu items
	var catids = document.getElementById('catids');
	catids = catids.value.split(",");
	var len = catids.length;
	for(var i=0;i<len;i++)
		if(catids[i]!=id)
		{
			menuItem = document.getElementById(catids[i]);
			menuItem.style.display="none";
			menuImageItem = document.getElementById("img"+catids[i]);
			menuImageItem.src = "images/plus.gif";
		}
}

function Scroller_onmouseover(id)
{
	id.scrollAmount =0;
}

function Scroller_onmouseout(id)
{
	id.scrollAmount =1;
}

function emailCheck (emailStr) {
	
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
		return false
	}
	
	var user=matchArray[1]
	var domain=matchArray[2]

	if (user.match(userPat)==null) {
    	return false
	}

	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
		  	if (IPArray[i]>255) {
		  		return false
		  	}
		}
	   return true
	}

	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		return false
	}

	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) {
   	return false
	}

	if (len<2) {
	   return false
	}
	
	return true;
}
function go(form) 
{
	var URL = form.selectmenu.value;
	if ( URL != "")
	{
		window.open(URL, '_blank');
		return false;
	}
	else
		return false;
}

/*BEGIN ANH DONG*/

	var Speed = 2000;
	var run = 0;
	var kind = 0;
	var Pic = new Array();
	  Pic[0] = 'images/anhtren3.gif';
	  Pic[1] = 'images/anhtren4.gif';
	  Pic[2] = 'images/anhtren.gif';
	  Pic[3] = 'images/anhtren2.gif';
	  Pic[4] = 'images/anhtren3.gif';
	  Pic[5] = 'images/anhtren4.gif';
	
	  var a = Pic.length;
	var preLoad = new Array();
	for (num = 0; num < a; num++)
	{
		preLoad[num] = new Image();
		preLoad[num].src = Pic[num];
	}
	var typekind = new Array();
	
	typekind[0]=12;
	var b = typekind.length;
	function show()
	{
		if (document.all)
		{
			document.images.pic.style.filter="revealTrans(duration=0)";
			document.images.pic.style.filter="revealTrans(transition="+typekind[kind]+")";
			document.images.pic.filters.revealTrans.apply();
			document.images.pic.filters.revealTrans.Play();
		}
		document.images.pic.src = preLoad[run].src;
		run++;
		if (run > (a - 1)) run=0;
		kind++;
		if (kind > (b - 1)) kind=0;
	
		setTimeout('show()', Speed);
	}
	
/* BEGIN ANH DONG 2*/

var Speed1 = 3000;
	var run1 = 0;
	var kind = 0;
	var Pic1 = new Array();
	  Pic1[0] = 'images/anhtren2.gif';
	  Pic1[1] = 'images/anhtren4.gif';
	  Pic1[2] = 'images/anhtren.gif';
	  Pic1[3] = 'images/anhtren3.gif';
	  Pic1[4] = 'images/anhtren2.gif';
	  Pic1[5] = 'images/anhtren.gif';
	
	  var a = Pic1.length;
	var preLoad1 = new Array();
	for (num = 0; num < a; num++)
	{
		preLoad1[num] = new Image();
		preLoad1[num].src = Pic1[num];
	}
	var typekind1 = new Array();
	
	typekind1[0]=12;
	var b = typekind1.length;
	function show1()
	{
		if (document.all)
		{
			document.images.Pic1.style.filter="revealTrans(duration=0)";
			document.images.Pic1.style.filter="revealTrans(transition="+typekind1[kind]+")";
			document.images.Pic1.filters.revealTrans.apply();
			document.images.Pic1.filters.revealTrans.Play();
		}
		document.images.Pic1.src = preLoad1[run1].src;
		run1++;
		if (run1 > (a - 1)) run1=0;
		kind++;
		if (kind > (b - 1)) kind=0;
	
		setTimeout('show1()', Speed1);
	}

/*BEGIN ANH DONG 3*/
var Speed2 = 5000;
	var run2 = 0;
	var kind = 0;
	var Pic2 = new Array();
	  Pic2[0] = 'images/anhtren.gif';
	  Pic2[1] = 'images/anhtren2.gif';
	  Pic2[2] = 'images/anhtren3.gif';
	  Pic2[3] = 'images/anhtren4.gif';
	  Pic2[4] = 'images/anhtren2.gif';
	  Pic2[5] = 'images/anhtren.gif';
	
	  var a = Pic2.length;
	var preLoad2 = new Array();
	for (num = 0; num < a; num++)
	{
		preLoad2[num] = new Image();
		preLoad2[num].src = Pic2[num];
	}
	var typekind2 = new Array();
	
	typekind2[0]=12;
	var b = typekind2.length;
	function show2()
	{
		if (document.all)
		{
			document.images.Pic2.style.filter="revealTrans(duration=0)";
			document.images.Pic2.style.filter="revealTrans(transition="+typekind2[kind]+")";
			document.images.Pic2.filters.revealTrans.apply();
			document.images.Pic2.filters.revealTrans.Play();
		}
		document.images.Pic2.src = preLoad2[run2].src;
		run2++;
		if (run2 > (a - 1)) run2=0;
		kind++;
		if (kind > (b - 1)) kind=0;
	
		setTimeout('show2()', Speed2);
	}
	
	/* BEGIN ANH DONG 4*/
	var Speed3 = 4000;
	var run3 = 0;
	var kind = 0;
	var Pic3 = new Array();
	  Pic3[0] = 'images/anhtren4.gif';
	  Pic3[1] = 'images/anhtren.gif';
	  Pic3[2] = 'images/anhtren2.gif';
	  Pic3[3] = 'images/anhtren3.gif';
	  Pic3[4] = 'images/anhtren2.gif';
	  Pic3[5] = 'images/anhtren4.gif';
	
	  var a = Pic3.length;
	var preLoad3 = new Array();
	for (num = 0; num < a; num++)
	{
		preLoad3[num] = new Image();
		preLoad3[num].src = Pic3[num];
	}
	var typekind3 = new Array();
	
	typekind3[0]=12;
	var b = typekind3.length;
	function show3()
	{
		if (document.all)
		{
			document.images.Pic3.style.filter="revealTrans(duration=0)";
			document.images.Pic3.style.filter="revealTrans(transition="+typekind3[kind]+")";
			document.images.Pic3.filters.revealTrans.apply();
			document.images.Pic3.filters.revealTrans.Play();
		}
		document.images.Pic3.src = preLoad3[run3].src;
		run3++;
		if (run3 > (a - 1)) run3=0;
		kind++;
		if (kind > (b - 1)) kind=0;
	
		setTimeout('show3()', Speed3);
	}
	/*BIGIN ANH DONG 4*/
	var Speed4 = 5000;
	var run4 = 0;
	var kind = 0;
	var Pic4 = new Array();
	  Pic4[0] = 'images/anhtren3.gif';
	  Pic4[1] = 'images/anhtren4.gif';
	  Pic4[2] = 'images/anhtren.gif';
	  Pic4[3] = 'images/anhtren2.gif';
	  Pic4[4] = 'images/anhtren4.gif';
	  Pic4[5] = 'images/anhtren3.gif';
	
	  var a = Pic4.length;
	var preLoad4 = new Array();
	for (num = 0; num < a; num++)
	{
		preLoad4[num] = new Image();
		preLoad4[num].src = Pic4[num];
	}
	var typekind4 = new Array();
	
	typekind4[0]=12;
	var b = typekind4.length;
	function show4()
	{
		if (document.all)
		{
			document.images.Pic4.style.filter="revealTrans(duration=0)";
			document.images.Pic4.style.filter="revealTrans(transition="+typekind4[kind]+")";
			document.images.Pic4.filters.revealTrans.apply();
			document.images.Pic4.filters.revealTrans.Play();
		}
		document.images.Pic4.src = preLoad4[run4].src;
		run4++;
		if (run4 > (a - 1)) run4=0;
		kind++;
		if (kind > (b - 1)) kind=0;
	
		setTimeout('show4()', Speed4);
	}