if(document.images){
	buttonimg1 = new Image(243, 144); buttonimg1.src = "img/button-1o.png"; buttonimg1out = new Image(243, 144); buttonimg1out.src = "img/button-1.png";
	buttonimg2 = new Image(243, 144); buttonimg2.src = "img/button-2o.png"; buttonimg2out = new Image(243, 144); buttonimg2out.src = "img/button-2.png";
	buttonimg3 = new Image(243, 144); buttonimg3.src = "img/button-3o.png"; buttonimg3out = new Image(243, 144); buttonimg3out.src = "img/button-3.png";
	buttonimg4 = new Image(243, 144); buttonimg4.src = "img/button-4o.png"; buttonimg4out = new Image(243, 144); buttonimg4out.src = "img/button-4.png";
	buttonimg5 = new Image(243, 144); buttonimg5.src = "img/button-5o.png"; buttonimg5out = new Image(243, 144); buttonimg5out.src = "img/button-5.png";
	buttonimg6 = new Image(243, 144); buttonimg6.src = "img/button-6o.png"; buttonimg6out = new Image(243, 144); buttonimg6out.src = "img/button-6.png";
	
	navhome    = new Image(102, 49); navhome.src     = "img/nav-homeo.png";     navhomeout 	= new Image(102, 49); navhomeout.src     	= "img/nav-home.png";
	navordering= new Image(121, 49); navordering.src = "img/nav-orderingo.png"; navorderingout = new Image(121, 49); navorderingout.src = "img/nav-ordering.png";
	navextras  = new Image(99, 49);  navextras.src   = "img/nav-extraso.png";   navextrasout   = new Image(99, 49);  navextrasout.src   = "img/nav-extras.png";
	navhenry   = new Image(433, 49); navhenry.src    = "img/nav-henryo.png";    navhenryout    = new Image(433, 49); navhenryout.src    = "img/nav-henry.png";
}

function imgover(imgName){
	if(document.images){
		overImg = eval(imgName+".src");
		document[imgName].src = overImg;
	}
}

function imgout(imgName){
	if(document.images){
		outImg = eval(imgName+"out.src");
		document[imgName].src = outImg;
	}
}