{
jumpURL = new Array(); 
imgURL = new Array(); 
jumpURL[0] = "http://www.model-code.com/"; 
imgURL[0] = "http://www.model-code.com/copy/s_120.gif"; 

n = Math.floor(Math.random()*jumpURL.length); 
document.write("<a href='"+jumpURL[n]+"' target='_blank'>"); 
document.write("<img src='"+imgURL[n]+"' border='0'>"); 
document.write("</a>"); 
}