DOM = (document.getElementById) ? 1 : 0;
NS4 = (document.layers) ? 1 : 0;

function getOffsetLeft(object)
{
	var value = 0;
	if (DOM){  // Mozilla, Konqueror >= 2.2, Opera >= 5, IE
		value = object.offsetLeft;
		while (object.tagName != 'BODY' && object.offsetParent) {
			object = object.offsetParent;
			value += object.offsetLeft;
		}
	} else if (NS4) {
		value = document.object.pageX;
	} else { // IE4 IS SIMPLY A BASTARD !!!
		value = object.offsetLeft;
		while (object.tagName != 'BODY') {
			object = object.offsetParent;
			value += object.offsetLeft;
		}
	}
	return (value);
}

function getOffsetTop(object)
{
	var value = 0;
	if (DOM) {
		value = object.offsetTop;
		while (object.tagName != 'BODY' && object.offsetParent) {
			object = object.offsetParent;
			value += object.offsetTop;
		}
	} else if (NS4) {
		value = document.object.pageY;
	} else { // IE4 IS SIMPLY A BASTARD !!!
		value = object.offsetTop;
		while (object.tagName != 'BODY') {
			object = object.offsetParent;
			value += object.offsetTop;
		}
	}
	return (value);
}

function isAtMax(e, object, m) 
{
    if(object.value.length > m) 
	{
        object.value = object.value.substr(0, m);
		alert('Length of the field must be less then '+m+' symbols!');
    }
	var top = getOffsetTop(object);
	var left = getOffsetLeft(object)+object.offsetWidth;
    return overlib(m - object.value.length, WIDTH, 80, CAPTION, 'Symbols left', FIXX, left, FIXY, top);
}

function DisplayDiv(id)
{
	var obj = document.getElementById(id);
	if (obj.style.display == 'none')
	{
		obj.style.display = '';
	}
	else
	{
		obj.style.display = 'none';
	}
}

function popUp (sURL, sName, x, y, dx, dy) {
	window.open(sURL, sName, 'left='+x+', top='+y+', width='+dx+', height='+dy+', scrollbars=1, resizable=1');
}

function SetValueAndSubmit(form_name,var_name,var_value)
{
    document.forms[form_name].elements[var_name].value=var_value;
    document.forms[form_name].submit();
}

function ShowHelp(message, title)
{
	return overlib(message, CAPTION, title);
}

function ToggleControl(id)
{
	var obj = document.getElementById(id);
	var obj2 = document.getElementById(id+'_info');
	if (obj.style.display == 'none')
	{
		obj.style.display = '';
		if (obj2 != null)
		{
			obj2.style.display = 'none';
		}
	}
	else
	{
		obj.style.display = 'none';
		if (obj2 != null)
		{
			obj2.style.display = '';
		}
	}
}

function ShowItem(id)
{
	for (var i = 1; i < 6; i++)
	{
		var obj = document.getElementById('info'+i);
		var objF = document.getElementById('first'+i); 
		if (obj)
		{
			if(i == id)
			{
				if (obj.style.display == '')
				{
					obj.style.display = 'none';
					objF.style.display = '';
				}
				else
				{
					obj.style.display = '';
					objF.style.display = 'none';
				}				
			}
			else
			{
				obj.style.display = 'none'
				objF.style.display = ''
			}
		}
	}
}

function ShowArticle(id, number)
{
	for (var i = 1; i < number+1; i++)
	{
		var obj = document.getElementById('info'+i);
		var objF = document.getElementById('first'+i); 
		if (obj)
		{
			if(i == id)
			{
				if (obj.style.display == '')
				{
					obj.style.display = 'none';
					objF.style.display = '';
				}
				else
				{
					obj.style.display = '';
					objF.style.display = 'none';
				}				
			}
			else
			{
				obj.style.display = 'none'
				objF.style.display = ''
			}
		}
	}
}

function ShowMen(menu, i)
{
	for (var j = 0; j < menu.links.length; j++)
	{
		if (menu.links[j]['link_level'] == 1)
		{
			var obj = document.getElementById('link_'+menu.links[j].link_id);
			if (obj)
			{
				obj.style.display='none';
			}
		}
	}
	
	var obj = document.getElementById('link_'+i.link_id);
	if (obj)
	{
		obj.style.display='';
	}
	return false;
}

function ShowMen2(i)
{
if (!documents.all)	
{
  for (var j = 0; j < menu.length; j++)
  {
	 var obj = document.getElementById('link_'+menu[j].link_id);
	 if (obj)
	 {
		 obj.style.display='none';
	 }
  }
 var obj = document.getElementById('link_'+i);
 if (obj)
 {
	 obj.style.display='';
 }
 return false;
}
}


function HideMen(menu)
{
	for (var j = 0; j < menu.links.length; j++)
	{
		if (menu.links[j]['link_level'] == 1)
		{
			var obj = document.getElementById('link_'+menu.links[j].link_id);
			if (obj)
			{
				obj.style.display='none';
			}
		}
	}
	return false;
}

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 addEvent(obj, evType, fn){ 
 if (obj.addEventListener){ 
   obj.addEventListener(evType, fn, false); 
   return true; 
 } else if (obj.attachEvent){ 
   var r = obj.attachEvent("on"+evType, fn); 
   return r; 
 } else { 
   return false; 
 } 
}

function ShowHide(id)
{
	var obj = document.getElementById(id);
	if(obj.style.display == 'none')
	{
		obj.style.display = '';
	}
	else
	{
		obj.style.display = 'none';
	}
}


function displaystyle(id, display)
{
	var obj = document.getElementById(id);
	obj.style.display = display;
}

function getRadioGroupValue(radioGroupObj)
{
	for (var i=0; i < radioGroupObj.length; i++)
	if (radioGroupObj[i].checked)
	{
		return radioGroupObj[i].value;
	}

	return null;
}