data=new Array(
		"img/b_Home_o.gif",
		"img/b_fatigue_o.gif",
		"img/b_tobody_o.gif",
		"img/b_woman_o.gif",
		"img/b_forgetfulness_o.gif",
		"img/b_faq_o.gif",
		"img/b_english_o.gif",
		"img/b_staff_o.gif",
		"img/b_opening_o.gif",
		"img/b_aboutclinic_o.gif",
		"img/b_access_o.gif",
		"img/b_flow_o.gif",
		"img/b_reservation_o.gif"
				);
btn=new Array();
for(i=0;i<data.length;i++){btn[i]=new Image();btn[i].src=data[i];}
function swapImg(str,num){document.images[str].src ="img/b_" + num + ".gif";}