function setCookie(name, value) {
	var argv = setCookie.arguments;
	var argc = setCookie.arguments.length;
	var exp = (argc > 2) ? argv[2] : 90;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	var expires = new Date();
	deleteCookie(name);
	expires.setTime(expires.getTime() + (exp*24*60*60*1000));
	document.cookie = name + "=" + value +
	"; expires=" + expires.toGMTString() +
	((domain === null) ? "" : ("; domain=" + domain)) +
	((path === null) ? "" : ("; path=" + path)) +
	((secure === true) ? "; secure" : "");
}

function getCookie(name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	var j = 0;
	while(i < clen) {
		j = i + alen;
		if(document.cookie.substring(i, j) == arg){
			return getCookieval_r(j);
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if(i === 0){
			break;
		}
	}
	return '';
}

function deleteCookie(name) {
	var exp = new Date();
	var cval = getCookie(name);
	exp.setTime(exp.getTime() - 1);
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

function getCookieval_r(offset) {
	var endstr = document.cookie.indexOf(";", offset);
	if(endstr == -1) {
		endstr = document.cookie.length;
	}
	return document.cookie.substring(offset, endstr);
}

function checkFlash()
{
	var i_flash;
	// Netscape
	if (navigator.plugins)
	{
		for (var i=0; i < navigator.plugins.length; i++)
		{
			if (navigator.plugins[i].name.toLowerCase().indexOf("shockwave flash") >= 0)
			{
				i_flash = true;
			}
		}
	}
	//for IE
	if(!i_flash)
	{
		var flash_obj;
		flash_obj = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
		if(flash_obj)
		{
			i_flash = true;
		}
	}
	return i_flash;
}