//preload images
var image1=new Image()
image1.src="../images/patientvideo_subpage_pic1.jpg"

var image3=new Image()
image3.src="../images/patientvideo_subpage_pic2.jpg"

var image2=new Image()
image2.src="../images/patientvideo_subpage_pic3.jpg"


//var image4=new Image()
//image4.src="../images/patientvideo_subpage_pic4.jpg"