if (document.images) { 
one = new Image(); one.src = "./images/MainPage2.gif";
two = new Image(); two.src = "./images/TheClinic2.gif";
three = new Image(); three.src = "./images/Articles2.gif";
four = new Image(); four.src = "./images/TheCEO2.gif";
five = new Image(); five.src = "./images/Contact2.gif";
six = new Image(); six.src = "./images/Forum2.gif";
seven = new Image(); seven.src = "./images/Newsletter2.gif";
}  
function switchit(obj,img){ 
	if (document.images) { obj.src=img } 
}