var d, dom, ie, ie4, ie5x, moz, mac, win, lin, old, ie5mac, ie5xwin, op;

d = document;
n = navigator;
na = n.appVersion;
nua = n.userAgent;
win = ( na.indexOf( 'Win' ) != -1 );
mac = ( na.indexOf( 'Mac' ) != -1 );
lin = ( nua.indexOf( 'Linux' ) != -1 );

if ( !d.layers ){
	dom = ( d.getElementById );
	op = ( nua.indexOf( 'Opera' ) != -1 );
	konq = ( nua.indexOf( 'Konqueror' ) != -1 );
	saf = ( nua.indexOf( 'Safari' ) != -1 );
	moz = ( nua.indexOf( 'Gecko' ) != -1 && !saf && !konq);
	ie = ( d.all && !op );
	ie4 = ( ie && !dom );
	ie5x = ( d.all && dom );
	ie5mac = ( mac && ie5x );
	ie5xwin = ( win && ie5x );
}

function getQueryString(strQuery)
{
		var URLfull, vary, moreone;
		URLfull = document.URL.toLowerCase();        
		moreone= URLfull.indexOf('&');
		vary = URLfull.substring(URLfull.indexOf('?')+1, URLfull.length);        
		if(vary.charAt(0)==strQuery.charAt(0) && vary.charAt(1)==strQuery.charAt(1) && vary.charAt(2)=='=')        
		{
			if (moreone==-1) 		return URLfull.substring(URLfull.indexOf('?')+4,URLfull.length);
			else return URLfull.substring(URLfull.indexOf('?')+4,moreone);
		}        
		else
		{        
			vary = URLfull.substring(URLfull.indexOf('&')+1, URLfull.length); 		
			moreone= vary.indexOf('&');
			if(vary.charAt(0)==strQuery.charAt(0) && vary.charAt(1)==strQuery.charAt(1) && vary.charAt(2)=='=')        
			{			
			if (moreone==-1) 		return vary.substring(3,vary.length);
			return vary.substring(3,moreone);
			}		
			
			if (moreone!=-1)
			{
			vary = vary.substring(vary.indexOf('&')+1, vary.length);
			if(vary.charAt(0)==strQuery.charAt(0) && vary.charAt(1)==strQuery.charAt(1) && vary.charAt(2)=='=')        
			{			
			return vary.substring(3,vary.length);			
			}
			else return "";			
			}
			else
			{
			return "";
			}
		}   
}		 

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length;
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return "";
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}