var IE6 = false /*@cc_on || @_jscript_version < 5.7 @*/;

// JavaScript Document
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=/";
	document.cookie = name+"="+value;
}

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 writeClientImage(theIndex) {
	document.getElementById("clientImage").innerHTML = "<img src='images/home/home_client_" + String(theIndex) + ".gif' style='position:relative; z-index: 1;' />";
}

//eraseCookie(clientImageNumber);
var clientImageIndex = 1;
function checkDemoCookie() {
	if (!IE6) {
		var x = readCookie('clientImageNumber');
		if (x==null) {
			createCookie('clientImageNumber','1',7);
			writeClientImage(1);
		} else {
			if (parseInt(x)==18) {
				clientImageIndex = 1;
			} else {
				clientImageIndex = parseInt(x) + 1;
			}
			writeClientImage(clientImageIndex);
			createCookie('clientImageNumber', String(clientImageIndex),7)
		}
	} else {
		clientImageIndex = getRandom(18);
		writeClientImage(clientImageIndex);
	}
}

var featureImageIndex = 1;
function checkFeatureCookie() {
	if (!IE6) {
		var x = readCookie('featureImageNumber')
		if (x==null) {
			createCookie('featureImageNumber','1',7);
		} else {
			if (parseInt(x)==3) {
				featureImageIndex = 1;
			} else {
				featureImageIndex = parseInt(x) + 1;
			}
			createCookie('featureImageNumber', String(featureImageIndex),7)
		}
	} else {
		featureImageIndex = getRandom(3);
	}
}

function getRandom(theMax) {
    var ranNum= Math.ceil(Math.random()*theMax);
    return ranNum;
}