window.onload = choosePic;

var orangeImages = new Array("img/orange-div1.jpg","img/orange-div2.jpg","img/orange-div3.jpg");
var blueImages = new Array("img/blue-div1.jpg","img/blue-div2.jpg","img/blue-div3.jpg");
var groupImages = new Array("img/group-classes1.jpg","img/group-classes2.jpg","img/group-classes3.jpg","img/group-classes4.jpg");
var signImages = new Array("img/banner_new_1.gif","img/banner_new_2.gif","img/banner_new_3.gif");
var signHref = new Array("mailto:Gina@core-fit.com?subject=10% off Corporate Wellness Program","mailto:Gina@core-fit.com?subject=20% off 6 Personal Training Sessions","mailto:Gina@core-fit.com?subject=FREE Boot Camp Trial");

function rotate() {
	if ( document.getElementById("orange_img") ) {
		orangeAd++;
		if (orangeAd == orangeImages.length) {
			orangeAd = 0;
		}		
		document.getElementById("orange_img").src = orangeImages[orangeAd];
	}

	if ( document.getElementById("group_img") ) {
		groupAd++;
		if (groupAd == groupImages.length) {
			groupAd = 0;
		}
		document.getElementById("group_img").src = groupImages[groupAd];
	}

	setTimeout("rotate()", 7 * 1000);
}
function rotate1() {

	if ( document.getElementById("blue_img") ) {
		blueAd++;
		if (blueAd == blueImages.length) {
			blueAd = 0;
		}
		document.getElementById("blue_img").src = blueImages[blueAd];
	}

	setTimeout("rotate1()", 7 * 1000);
}
function rotate2() {
	
	if ( document.getElementById("sign_img") ) {
		signAd++;
		if (signAd == signImages.length) {
			signAd = 0;
		}
		document.getElementById("sign_img").src = signImages[signAd];
		document.getElementById("sign_link").href = signHref[signAd];
	}

	setTimeout("rotate2()", 6 * 1000);
}


function choosePic() {
	
	MM_preloadImages('img/blue-div1.jpg','img/blue-div2.jpg','img/blue-div3.jpg','img/orange-div1.jpg','img/orange-div2.jpg','img/orange-div3.jpg','img/banner_new_1.gif','img/banner_new_2.gif','img/banner_new_3.gif','img/group-classes1.jpg','img/group-classes2.jpg','img/group-classes3.jpg','img/group-classes4.jpg');
	if ( document.getElementById("orange_img") ) {
		orangeAd = Math.floor((Math.random() * orangeImages.length));
		document.getElementById("orange_img").src = orangeImages[orangeAd];
	}
	if ( document.getElementById("blue_img") ) {
		blueAd = Math.floor((Math.random() * blueImages.length));
		document.getElementById("blue_img").src = blueImages[blueAd];
	}
	if ( document.getElementById("group_img") ) {
		groupAd = Math.floor((Math.random() * groupImages.length));
		document.getElementById("group_img").src = groupImages[groupAd];
	}
	if ( document.getElementById("sign_img") ) {
		signAd = Math.floor((Math.random() * signImages.length));
		document.getElementById("sign_img").src = signImages[signAd];
	}
	rotate();
		rotate1();
			rotate2();
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}