function toggle(layer,kind,task) {
    if (kind=="visibility"){
        if (task=="hide")
            vis_to = "hidden";
        else if (task=="show")
            vis_to = "visible";
        else {
            
            if (document.layers)
                vis_to = (document.layers[layer].visibility=="hide") ? "show" : "hide";
                
            else if (document.all)
                vis_to = (document.all[layer].style.visibility=="hidden") ? "visible" : "hidden";
                
            else if (document.getElementById)
                vis_to = (document.getElementById(layer).style.visibility=="hidden") ? "visible" : "hidden";
        }
    } else if (kind=="display"){
        if (task=="hide")
            dis_to = "none";
        else if (task=="show")
            dis_to = "block";
        else {
            if (document.layers)
                dis_to = (document.layers[layer].display=="none") ? "block" : "none";
                
            else if (document.all)
                dis_to = (document.all[layer].style.display=="none") ? "block" : "none";
                
            else if (document.getElementById)
                dis_to = (document.getElementById(layer).style.display=="none") ? "block" : "none";
        }
    }
    
    if (document.layers)
        (kind=="display") ? document.layers[layer].display = dis_to : document.layers[layer].visibility = vis_to;
        
    else if (document.all)
        (kind=="display") ? document.all[layer].style.display = dis_to : document.all[layer].style.visibility = vis_to;
        
    else if (document.getElementById)
        (kind=="display") ? document.getElementById(layer).style.display = dis_to : document.getElementById(layer).style.visibility = vis_to;
}

function submitenter(myfield,e)
{
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;
	
	if (keycode == 13)
	   {
	   myfield.form.submit();
	   return false;
	   }
	else {
	   return true;
	}
}