var rov1=new Image();rov1.src="images/prisons/prison1.gif"var rov2=new Image();rov2.src="images/prisons/prison2.gif"var rov3=new Image();rov3.src="images/prisons/prison3.gif"var rov4=new Image();rov4.src="images/prisons/prison4.gif"var rov5=new Image();rov5.src="images/prisons/prison5.gif"var rov6=new Image();rov6.src="images/prisons/prison6.gif"var rov7=new Image();rov7.src="images/prisons/prison7.gif"var rov8=new Image();rov8.src="images/prisons/prison8.gif"var rov9=new Image();rov9.src="images/prisons/prison9.gif"var rov10=new Image();rov10.src="images/prisons/prison10.gif"var rov11=new Image();rov11.src="images/prisons/prison11.gif"var rov12=new Image();rov12.src="images/prisons/prison12.gif"var rov13=new Image();rov13.src="images/prisons/prison13.gif"