function doClick(buttonName,e) {

    //the purpose of this function is to allow the enter key to 
    //point to the correct button to click.

    var key;

    if(window.event){
        key = window.event.keyCode;     //IE
        
    } else {
    
        key = e.which;     //firefox
        
    }

    if (key == 13) 
    {
 
        setSearch();
        
    }
}