var randomModel = new Array();
randomModel[0] = new Image(345,390); 
randomModel[0].src = "images/models/1.jpg";
randomModel[1] = new Image(345,390); 
randomModel[1].src = "images/models/2.jpg";
randomModel[2] = new Image(345,390); 
randomModel[2].src = "images/models/3.jpg";
randomModel[3] = new Image(345,390); 
randomModel[3].src = "images/models/4.jpg";
randomModel[4] = new Image(345,309); 
randomModel[4].src = "images/models/5.jpg";
randomModel[5] = new Image(345,390); 
randomModel[5].src = "images/models/6.jpg";
randomModel[6] = new Image(345,390); 
randomModel[6].src = "images/models/7.jpg";

function setModel() {
	var randomNumber = Math.floor(Math.random()*7);
	document.getElementById('MainLinks').style.background='transparent url(' + randomModel[randomNumber].src + ') right top no-repeat';
}

function setTab(s) {
	document.getElementById(s + 'Tab').className='Selected';
}