// JavaScript Document

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 validate_form(){
	var username = document.getElementsByName('name')[0].value;
	var email = document.getElementsByName('mail')[0].value;
	var at = document.getElementsByName('mail')[0].value.indexOf('@');
	var theme = document.getElementsByName('subject')[0].value;
	var message = document.getElementsByName('message')[0].value;
	var ret = "true";
	
	if( username == "" && email == "" && theme == "" && message == ""  ){
		alert('Fill all fields !');
		ret = "false"
	}else if( username == null || username == "" ){
		alert('Enter your name !')
		document.getElementsByName('username')[0].focus();
		ret = "false";
	}else if( email== null || email == "" ){
		alert('Enter your email !')
		document.getElementsByName('email')[0].focus;
		ret = "false";
	}else if( at == -1){
		alert('Wrong email')
		document.getElementsByName('email')[0].focus;
		ret = "false";
	}else if( theme == null || theme == ""){
		alert('Enter the message subject!')
		document.getElementsByName('theme')[0].focus;
		ret = "false";
	}else if( message == null || message == ""){
		return confirm('Send message without comments?');
	}
	
	if(ret == "true"){
		document.getElementById('contact_form').submit();
	}else{
		return false;
	}
}