// JavaScript Document

function getAddressVar( name )
{
	var locvartemp = ( window.location.href.indexOf( "?" ) + 1 ) ? window.location.href.substr( window.location.href.indexOf( "?" ) + 1 ) : "";
	locvartemp = locvartemp.split( "&" );
	for( var x = 0; x < locvartemp.length; x++ ) {
		var lvTempVar = locvartemp[x].split( "=" );
		if ( unescape( lvTempVar[0] ) == name )
			return unescape( lvTempVar[1] );
	}	
	return null;
}

function createCookie(name,value,days) {
	
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
/*
function readCookie(name) {
	var nameEQ = name + "=";
	if ( !document.cookie ) return null;	
	var ca = document.cookie.split(';');
	for(var i=0; i < ca.length; i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}*/

function readCookie(name) { // use: getCookie("name");
	var re = new RegExp(name + "=([^;]+)");
	var value = re.exec(document.cookie);
	return (value != null) ? unescape(value[1]) : null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}