function radioVal(radioName){
	var frm = document.forms[0]
	var ar = frm[radioName]
	if(!ar) return ''
	if(!isArray(ar)){
		if(ar.checked) return ar.value
	}else{
		for(i=0;i<ar.length;i++){
			if(ar[i].checked) return ar[i].value
		}
	}	
	return ''
}








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];}
}


function openWindow(url,name,w,h,pos,props){
 var _wnd,left=0,top=0
  if(name==null)name='wnd'
 if(!pos||pos=='center'){left=screen.width?(screen.width-w)/2:100; top=screen.height?(screen.height-h)/2:100}
 props='width='+w+',height='+h+',top='+top+',left='+left+(props==''?'':','+props)
 _wnd=window.open(url,name,props)
  if(pos=='maximize')_wnd.resizeTo(screen.availWidth,screen.availHeight)
  if(name=='wnd'){wnd=_wnd}else{
	// return _wnd
		 }
}

function isEmail(str){
	var re=/([\w\-\.]+\@[\w]+[\w\-\.]*\.[a-zA-Z]{2,3})/i
	if(re.test(str))
		return true
	return false
}
function isEng(str){
	var re=/^[a-zA-Z .]*$/
	if(re.test(str))
		return true
	return false
}

function isPhone(str){
	var re=/^[0-9 -.]*$/
	if(re.test(str))
		return true
	return false
}

function isNum(str){
	var re=/^[0-9]*$/
	if(re.test(str))
		return true
	return false
}



function hascheck(ar){
	for(var i=0;i<ar.length;i++){
		if(ar[i].checked) return true
	}
	return false
}
function isArray(obj){return(typeof(obj.length)=="undefined")?false:true;}
function selectall(chk,field){
	var frm  = chk.form
	var v = chk.checked
	var ar = frm[field]
	if(!ar) return
	if(!isArray(ar)){
		ar.checked = v
	}else{
		for(i=0;i<ar.length;i++){
			ar[i].checked = v
		}
	}
}
function getcheckList(ar){
	var result = ""
	if(isArray(ar)){
	for(var i=0;i<ar.length;i++){
		if(ar[i].checked){
			if(result != "") result += ","
			result += ar[i].value
		}
	}
	}else{
		if(ar.checked) result += ar.value
	}	
	return result
}

function getpage(pg){
	var frm = document.forms[0]
	if(pg != frm.pg.value){
	frm.pg.value = pg
	frm.submit()
	}
}

function switch_lang(lang){
	var frm = document.forms[0]
	frm.dowhat.value = 'switch_to_'+lang
	frm.submit()	
}
function switch_product_display_mode(mode){
	var frm = document.forms[0]
	frm.dowhat.value = 'switch_product_display_to_'+mode
	frm.submit()	
}


function sortbywhat(str){
		var frm = document.forms[0]
		frm.sortstr.value = str
		frm.submit()
}


// this function gets the cookie, if it exists
function Get_Cookie( name ) {
	
var start = document.cookie.indexOf( name + "=" );
var len = start + name.length + 1;
if ( ( !start ) &&
( name != document.cookie.substring( 0, name.length ) ) )
{
return null;
}
if ( start == -1 ) return null;
var end = document.cookie.indexOf( ";", len );
if ( end == -1 ) end = document.cookie.length;
return unescape( document.cookie.substring( len, end ) );
}

function Set_Cookie( name, value, expires, path, domain, secure ) 
{
// set time, it's in milliseconds
var today = new Date();
today.setTime( today.getTime() );

/*
if the expires variable is set, make the correct 
expires time, the current script below will set 
it for x number of days, to make it for hours, 
delete * 24, for minutes, delete * 60 * 24
*/
if ( expires )
{
expires = expires * 1000 * 60 * 60 * 24;
}
var expires_date = new Date( today.getTime() + (expires) );

document.cookie = name + "=" +escape( value ) +
( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
( ( path ) ? ";path=" + path : "" ) + 
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
}

// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) {
if ( Get_Cookie( name ) ) document.cookie = name + "=" +
( ( path ) ? ";path=" + path : "") +
( ( domain ) ? ";domain=" + domain : "" ) +
";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

/*
Set_Cookie( 'test', 'it works', '', '/', '', '' );
if ( Get_Cookie( 'test' ) ) alert( Get_Cookie('test'));
// and these are the parameters for Delete_Cookie:
// name, path, domain
// make sure you use the same parameters in Set and Delete Cookie.
Delete_Cookie('test', '/', '');
( Get_Cookie( 'test' ) ) ? alert( Get_Cookie('test')) : 
alert( 'it is gone');
*/
	
var CURRENT_LANG = Get_Cookie('lang')