function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

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 null;
}

function eraseCookie(name) {
        createCookie(name,"",-1);
        window.location.reload();
}

function checkForCookie() {
	var x = readCookie('salixIntroSwap');
	if (x) {
		document.getElementById("home_intro_flash").style.display = "none";
		document.getElementById("home_intro").style.display = "block";	
		
	} else {
		document.getElementById("home_intro").style.display = "none";	
		document.getElementById("home_intro_flash").style.display = "block";	
	 	createCookie('salixIntroSwap','testCookie',7);
	}
	document.getElementById("home_filler").style.display = "none";
}

addLoadEvent(checkForCookie);

function introSwap() {
	document.getElementById("home_intro").style.display = "block";
	document.getElementById("home_intro_flash").style.display = "none";
}