function displayLoading() {
    for(var i=0; i<document.forms.length; i++) {
        for(var j=0; j<document.forms[i].elements.length; j++) {
            if(document.forms[i].elements[j].type == "submit") {
                document.forms[i].elements[j].disabled = true;
document.forms[i].elements[j].style.display = "none";
                submitDiv = document.forms[i].elements[j].parentNode; 
                
                if(submitDiv.tagName == "DIV") {
                    
                    submitDiv.style.background = 'url(js/loading2.gif) left top no-repeat';
                    submitDiv.style.paddingLeft = '25px';
                    submitDiv.style.margin = '5px';
                    submitDiv.style.height = '2em';
                    
                    submitDiv.innerHTML = 'Searching...';
                }
            }
        }
    }       
}