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];}
}

openSpanId = 0;
    function openForm(formId,targetSpan) {
        targetDiv = document.getElementById('answer_'+formId);
        if (targetDiv.style.display == "block") {
            if (targetSpan.id == openSpanId) {
	            targetDiv.style.display = "none";
	            targetSpan.style.color = "#B84145";
            }
            
            if (openSpanId != 0) {
	            targetSpan.style.color = "#B8B8BA";
	            openSpan = document.getElementById(openSpanId);
	            openSpan.style.color = "#B84145";
	            openSpanId = targetSpan.id;
            }
            
        } else {
            openSpanId = targetSpan.id;
            targetDiv.style.display = "block";
            targetSpan.style.color = "#B8B8BA";
        }
    }
    
    function check_fill(formName) {
        if (document[formName].post_text.value == '') {
            alert('Комментарий не должен быть пустым!');
            return false;
        }
        return true;
    }

    function check_agreement(formName) {
        if (document[formName].rulesAgree.checked==false) {
            alert('Вы должны подтвердить, что знаете правила!');
            return false;
        }
        return check_fill(formName);
    }