function validateEmail(email)
{
  if ((email == '') || (email.indexOf('@') < 1) || (email.indexOf('@') == email.length-1))
    return 0;
  else
    return 1;
}
function setFormField(form,field,value) {
  document.forms[form].elements[field].value = value;
}
function setAndSubmitForm(form,field,value) {
  document.forms[form].elements[field].value = value;
  document.forms[form].submit();
}
function setAndSubmitAltForm(form,action,field,value) {
  document.forms[form].action = action;
  document.forms[form].elements[field].value = value;
  document.forms[form].submit();
}
function submitForm(form) {
  document.forms[form].submit();
}

function setBgColor(elem,color) {
  document.getElementById(elem).style.backgroundColor=color;
}

function setFgColor(elem,color) {
  document.getElementById(elem).style.color=color;
}

function toggleVisibility(elem) {
  if (document.getElementById(elem).style.visibility != 'visible') {
    document.getElementById(elem).style.visibility = 'visible';
    document.getElementById(elem).style.display = 'block';
  } else {
    document.getElementById(elem).style.visibility = 'hidden';
    document.getElementById(elem).style.display = 'none';
  }
}

function toggleImage(image,srcOn,srcOff) {
  var src = document.getElementById(image).src;
  document.getElementById(image).src = srcOff;
  if (src == document.getElementById(image).src) {
    document.getElementById(image).src = srcOn;
  }
}

//function toggleImage(image) {
//  toggleImage(image,imagePath+'plus.gif',imagePath+'minus.gif') {
//}

function trim(napis) {
  while (napis.charAt(0)==' ')
    napis = napis.substring(1,napis.length);
  while (napis.charAt(napis.length-1)==' ')
    napis = napis.substring(0,napis.length-1);
  return napis;
}

var win= null;
function NewWindow(mypage,myname,w,h,scroll){
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  var settings  ='height='+h+',';
  settings +='width='+w+',';
  settings +='top='+wint+',';
  settings +='left='+winl+',';
  settings +='scrollbars='+scroll+',';
  settings +='resizable=no';
  win=window.open(mypage,myname,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}

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_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_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 showpic(name,width1,height1) {
  a=screen.width;
  b=screen.height;
  x=(a-width1)/2;
  y=(b-height1)/2;
  picture=window.open('','picture','left='+x+',top='+y+',width='+width1+',height='+height1+',Fullscreen=0,ScrollBars=0,ScrollBars=no,ScrollBars=false');
  picture.document.write("<HTML>");
  picture.document.write("<HEAD>");
  picture.document.write("<TITLE>Orange Vision Media</TITLE>");
  picture.document.write("</HEAD>");
  picture.document.write("<link href=styles.css rel=stylesheet type=text/css>");
  picture.document.write("<BODY BGCOLOR=#FFFFFF style=\"background:white url('images/tlo.jpg')\" leftmargin=0 topmargin=0 marginwidth=0 marginheight=0>");
  picture.document.write("<TABLE BORDER=0 CELLPADDING=0 CELLSPACING=0 width=100% height=100% class=bgpic><tr><td align=center valign=middle>");
  picture.document.write('<a href="#" onclick="javascrpit:window.close()"><img src="'+name+'" border="0" alt="zamknij"></a>');
  picture.document.write("</td></tr></table>");
  picture.document.write("</BODY>");
  picture.document.write("</HTML>");
}
