Se=Math.floor(Math.random()*5);
if(Se==0){Se1="0";}
if(Se==1){Se1="1";}
if(Se==2){Se1="2";}
if(Se==3){Se1="3";}
if(Se==4){Se1="4";}

JumpJS=new Array(5);

JumpJS[0]="01.jpg"; 

JumpJS[1]="02.jpg"; 

JumpJS[2]="03.jpg"; 

JumpJS[3]="04.jpg"; 

JumpJS[4]="05.jpg"; 


document.write('<a href="index.html"><img src="images/head_img_'+JumpJS[Se1]+'" border="0"></a>');