//----------------------------------------------------------------------------------------
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
//----------------------------------------------------------------------------------------
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//----------------------------------------------------------------------------------------
function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}
//----------------------------------------------------------------------------------------
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//----------------------------------------------------------------------------------------
function get_focus(elem, str_text, change) {
	if(change==1){
			elem.className='sel';
			if (elem.value==str_text) elem.value='';
		}
	else {
		if (elem.value==str_text) elem.value='';
		}
	
}
//----------------------------------------------------------------------------------------
function lose_focus(elem, str_text, change) {
	if(change==1){
			elem.className='out';
			if (elem.value=='') elem.value=str_text;
		}
	else {
		if (elem.value=='') elem.value=str_text;
		}
	
}
//----------------------------------------------------------------------------------------
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
//----------------------------------------------------------------------------------------

function check_field(field_name, label){
var sfield_name = field_name.value;
var ifield_name = sfield_name.length;

if(ifield_name== 0 || sfield_name=="your name" || sfield_name=="your email" ) {
alert ("'" + label + "' is a required field.");
field_name.focus();
return 0;
}

var OK = false;
for(var i = 0;i<ifield_name;i++) if(sfield_name.charAt(i) != " ") {	OK = true;	break;	}  
if(OK == false) { alert("'" + label + "' field contains only whitespaces."); field_name.focus(); return 0; }
return 1;
}

//-------------------------------------------------------------------------

function check_textarea(field_name, label){
var sfield_name = field_name.value;
var ifield_name = sfield_name.length;

if(ifield_name== 0) {
alert ("'" + label + "' is a required field.");
field_name.focus();
return 0;
}

var OK = false;
for(var i = 0;i<ifield_name;i++) if(sfield_name.charAt(i) != " ") {	OK = true;	break;	}  
if(OK == false) { alert("'" + label + "' field contains only whitespaces."); field_name.focus(); return 0; }
if(ifield_name>5000){alert("Only 5000 characters are allowed for the "+label+" field"); field_name.focus(); return 0; }

return 1;
}

//-------------------------------------------------------------------------

function check_email(field_name, label){
var sfield_name = field_name.value;
var ifield_name = sfield_name.length;
var Amp = false;
var Period = false;
for(var i = 0;i<ifield_name;i++) if(sfield_name.charAt(i)=="@"){Amp = true; break;}
for(var i = 0;i<ifield_name;i++) if(sfield_name.charAt(i)=="."){Period = true; break;}
if(Amp == false || Period == false) {alert("Please enter a valid e-mail address");	field_name.focus();	return 0;}
return 1;
}

//-------------------------------------------------------------------------

function validate_newsletter(){
	if(check_field(document.form_newsletter.name, "your name")==0) return;
	if(check_email(document.form_newsletter.email, "your email")==0) return;
	document.form_newsletter.submit();
}