function Set_Cookie( name, value, expires, path, domain, secure )  
{
	var today = new Date();
	today.setTime( today.getTime() );
	if(expires)
	{
		expires = expires*1000*60;//ms
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +  
	( ( path ) ? ";path=" + path : "" ) +  
	( ( domain ) ? ";domain=" + domain : "" ) +
	( ( secure ) ? ";secure" : "" );
}
Set_Cookie('cookie_is_js','1',3,'/');//3 min