var banner= new Array()

banner[0]="images/header/header1.jpg"
banner[1]="images/header/header2.jpg"
banner[2]="images/header/header3.jpg"
banner[3]="images/header/header4.jpg"
banner[4]="images/header/header5.jpg"
banner[5]="images/header/header6.jpg"
banner[6]="images/header/header7.jpg"
banner[7]="images/header/header8.jpg"
banner[8]="images/header/header9.jpg"
banner[9]="images/header/header10.jpg"
banner[10]="images/header/header11.jpg"
banner[11]="images/header/header12.jpg"
banner[12]="images/header/header13.jpg"
banner[13]="images/header/header14.jpg"
var random=Math.round(13*Math.random());

document.write("<style>");
document.write("#Header {");
document.write(' background:url("' + banner[random] + '") no-repeat left TOP;');
document.write(" }");
document.write("</style>");