if (document.images){
	var image1 = new Image();
	var image2 = new Image();
	var image3 = new Image();
	var image4 = new Image();
	var image5 = new Image();	
	var image6 = new Image();
	var image7 = new Image();
	
	image1.src="images/navbar/home_alt.png";
	image2.src="images/navbar/about_alt.png";
	image3.src="images/navbar/services_alt.png";
	image4.src="images/navbar/melon_patch_alt.png";
	image5.src="images/navbar/work_alt.png";	
	image6.src="images/buttons/links_alt.png";
	image7.src="images/buttons/contact_alt.png";
}

function switchOn(grab){
	var theSplit = grab.split('_');
	var isReal = theSplit[1];
	if(isReal != 'alt'){
		document[grab].src = 'images/navbar/'+grab+'_alt.png';
	}
}

function switchOff(grab){
	var theSplit = grab.split('_');
	var isReal = theSplit[1];
	if(isReal != 'alt'){
		document[grab].src = 'images/navbar/'+grab+'.png';
	}
}

function swapImage(){
	patchArray = new Array('1','2','3','4','5','6');
	patchArray.sort(randArray);

	document.getElementById('imageSwap').src = 'images/pics/melon/'+patchArray[0]+'.jpg';
	setTimeout('swapImage()', 3000);
}

function randArray(){
	return (Math.round(Math.random())-0.5);
}