function iw_open_window(link, window_name, width, height, resizable, scrollbars) 
{ 
	return window.open(link, window_name,'toolbar=no,location=no,status=no,menubar=0,scrollbars='+scrollbars+',resizable='+resizable+',height='+height+',width='+width+',top='+(screen.height-height)/2+',left='+(screen.width-width)/2+',copyhistory=no');
}

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_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_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];}
}

// this creates a date object for the cookies persistance
// make new date object
var exp = new Date();                                   
// set it 31 days ahead
exp.setTime(exp.getTime() + (1000 * 60 * 60 * 24 * 730)); 


// Use this function to retrieve a cookie.
function getCookie(name){
	var cname = name + "=";               
	var dc = document.cookie;             
		if (dc.length > 0) {              
		begin = dc.indexOf(cname);       
			if (begin != -1) {           
			begin += cname.length;       
			end = dc.indexOf(";", begin);
				if (end == -1) end = dc.length;
				return unescape(dc.substring(begin, end));
			} 
		}
	return null;
}

// Use this function to save a cookie.
function setCookie(name, value, expires) {
	document.cookie = name + "=" + escape(value) + "; path=/" +
	((expires == null) ? "" : "; expires=" + expires.toGMTString());
}

// Use this function to delete a cookie.
function delCookie(name) {
	document.cookie = name + "=; expires=Thu, 01-Jan-70 00:00:01 GMT" +  "; path=/";
}
// Detecting Language
if(screen.availWidth > 1200){
	Resolution = "1280x1024";
} else if(screen.availWidth > 1100) {
	Resolution = "1152x864";
} else if(screen.availWidth > 780) {
	Resolution = "800x600";
} else if(screen.availWidth <= 780) {
	Resolution = "640x480";
}
setCookie('resolution', Resolution, exp);

function refreshCaptcha(imageId) {
    var captchaImage = document.getElementById(imageId);
    if (captchaImage != undefined) {
        captchaImage.src = captchaImage.src + '?reload=' + (new Date()).getTime();
    }
}