// opens a new window
// url of page, name for the window, object containing attributes for the window - ex. {width:300,height:200,scrollbars:1,resizable:1}
function openWin(url,wName,para)
{
	//alert(typeof(arguments[2]));
	if(typeof(arguments[2]) == "object")
		var values = _parameters(arguments[2]);
	window.open(url,wName,values);
}


function _parameters(attributes)
{
	var values = [];
	for(attribute in attributes)
	{
		values.push(attribute + "=" + attributes[attribute].toString());
	}
	return values.join(",");
}
/*----------------------*/

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 + "=";
	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 false;
}
/*----------------------*/

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