function initialize(){
    
    pic_height=139;   /*change to match the height of all your images */
    pic_width=200; /* change to match the width of all your images */
    border_size=0;   /* change to the border size you want on the images */
    
    /* define image urls */         
    if (document.images) {
        pic1= new Image();
        pic1.src="http://www.nealandleroy.com/Images/chicago_skyline1.jpg"; 
        pic2= new Image(); 
        pic2.src="http://www.nealandleroy.com/Images/chicago_skyline2.jpg"; 
        pic3= new Image();
        pic3.src="http://www.nealandleroy.com/Images/chicago_skyline3.jpg";  
        pic4= new Image();
        pic4.src="http://www.nealandleroy.com/Images/chicago_skyline4.jpg";  
        pic5= new Image();
        pic5.src="http://www.nealandleroy.com/Images/chicago_skyline5.jpg";  
    }    
}

function get_random(maxNum) {
    if (Math.random && Math.round) {
        var ranNum= Math.round(Math.random()*(maxNum-1));
        ranNum+=1;
        return ranNum;
    }
    else {
        today= new Date();
        hours= today.getHours();
        mins=   today.getMinutes();
        secn=  today.getSeconds();
        if (hours==19)
            hours=18;
        var ranNum= (((hours+1)*(mins+1)*secn)%maxNum)+1;
        return ranNum; 
    }
}

function get_Image() {  
    
    initialize();
    
    if (document.images) {
        
        var choose_one= get_random(5);  
        choose_one--;
        
        var pics= new Array(5) 
        pics[0]=pic1.src;
        pics[1]=pic2.src;
        pics[2]=pic3.src;
        pics[3]=pic4.src;
        pics[4]=pic5.src;
        
	  document.write("<a href='index.html'><img src='" + pics[choose_one] + "' width='200' height='139' border='0' /></a>");
		
        //document.write("<IMG SRC='" + pics[choose_one] + "' width='" + pic_width + "' height='" + pic_height + "' border='" + border_size + "'/>");
        
    }
}