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 screenSize() {
      var w, h; // Объявляем переменные, w - длина, h - высота
      w = (window.innerWidth ? window.innerWidth : (document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.offsetWidth));
      h = (window.innerHeight ? window.innerHeight : (document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.offsetHeight));
      return {w:w, h:h};
}

function nwindow(file,path,width,height) {
 var width;  if (width==undefined)  width='300';
 var height; if (height==undefined) height='300';
 var top =  (screenSize().h-height)/2;
 var left = (screenSize().w-width)/2;
 wnd = window.open(file+'?'+path,'enlarged','directories=no,width='+width+',height='+height+', location=no, menubar=no, resizable=no, top='+top+', left='+left+', scrollbars=yes, status=no, toolbar=no');
}

function DropValue(value,id,cur_class,blur_class,focus_class) {
	if (document.getElementById(id).value == value) {
	document.getElementById(id).value = '';
	document.getElementById(id).className = cur_class+' '+focus_class;
	}
	else if (document.getElementById(id).value == '') {
	document.getElementById(id).className = cur_class+' '+blur_class;
	document.getElementById(id).value = value;
	}
}