function blockEnter(field, event)
{
	var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
	if (keyCode == 13) {
		var i;
		for (i = 0; i < field.form.elements.length; i++)
		if (field == field.form.elements[i])
		break;
		return false;
	}
	else
	return true;
}



function nw(file_name, winname, l, t, w, h, tlb, mnub, stat, scrl, resz)
{
    tlb = tlb ? 'yes' : 'no';
    mnub = mnub ? 'yes' : 'no';
    stat = stat ? 'yes' : 'no';
    scrl = scrl ? 'yes' : 'no';
    resz = resz ? 'yes' : 'no';
    window.open(file_name, winname, 'left='+l+', top='+t+', width='+w+', height='+h+', toolbar='+tlb+', menubar='+mnub+', status='+stat+', scrollbars='+scrl+', resizable='+resz);
}



function trim(trimstr)
{
	return trimstr.replace(/(^\s*)|(\s*$)/g, "");
}



function OnEnter( field )
{
    if( field.value == field.defaultValue ) { field.value = ""; }
}

function OnExit( field )
{
    if( field.value == "" ) { field.value = field.defaultValue; }
}



function more_n_less(obj_a) {
	obj_b=document.getElementById(obj_a)
	if (obj_b.style.display=='none') obj_b.style.display='block';
	else obj_b.style.display='none';
}



function email_decode(mail_addr,stat)
{
    mlen=mail_addr.length;
    mail_addr=mail_addr.substring(8,mlen-9);
    if(stat==1) {location='mailto:'+mail_addr;}
    else {window.status = (mail_addr);}
}


function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}