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);
}

function RandomBanner()
{
	
	var currentId = 1;
	var imgAlt = new Array();
	var link_to = new Array();
	imgAlt[1] = "Main Event Specials";
	imgAlt[2] = "Main Event Specials";
	imgAlt[3] = "Main Event Specials";
	imgAlt[4] = "Main Event Specials";
	
	link_to[1] = "http://www.maineventusa.net/springbreak2010";
	link_to[2] = "http://www.maineventusa.net/MondayNightMadness";
	link_to[3] = "http://www.maineventusa.net/springbreak2010";
	link_to[4] = "http://www.maineventusa.net/MondayNightMadness";
	 //http://maineventusa.net/TeamBowling
	var maxId = 4;
		if ( readCookie("bannerid") == null )
		{
			createCookie("bannerid",1,2)
		}
		else
		{	
			currentId = readCookie("bannerid");
			currentId = ( currentId * 1 ) + 1;
			if ( currentId > maxId )   {  currentId = 1;  }  //RESET BANNER to THE FIRST
			createCookie("bannerid",currentId,2)
		}
		 
		
		var imgsrc =  '<img src="images/banners/banner' + currentId + '.jpg" alt="' +  imgAlt[currentId] + '" border="0" width="900" height="305" />';
		if ( link_to[currentId] != "" )
		{
			  imgsrc = "<a href= '"+ link_to[currentId] + "' target='_self' >" + imgsrc + "</a>";
		 
		}
		document.getElementById("banner").innerHTML = imgsrc;
		
}