function MM_reloadPage(init)
{
	//reloads the window if Nav4 resized
	if (init==true) with (navigator)
	{
		if ((appName=="Netscape")&&(parseInt(appVersion)==4))
		{
			document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage;
		}
	}
	else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

MM_reloadPage(true);

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_showHideLayers()
{
	//v6.0
	var i,p,v,obj,args=MM_showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null)
	{
		v=args[i+2];
		if (obj.style)
		{
			obj=obj.style;
			v=(v=='show')?'visible':(v=='hide')?'hidden':v;
		}
		obj.visibility=v;
	}
}

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_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 res()
{
	var x;
	var y;
	var w;
	x=document.getElementById("main");
	w=screen.width;
	y=Math.floor((w-1004-20)/2);
	x.style.cssText="left:"+y.toString()+"px;";
}
function focusNext(form, elemName, evt)
{
	evt = (evt) ? evt : event;
	var charCode = (evt.charCode) ? evt.charCode : ((evt.which) ? evt.which : evt.keyCode);
	if (charCode == 13)
	{
		form.elements[elemName].focus();
		return false;
	}
	return true;
}

function isNotEmpty(elem)
{
	var str = elem.value;
	var re = /.+/;
	if(!str.match(re))
	{
		alert("Пожалуйста, заполните поле.");
		elem.focus();
		return false;
	}
	else
	{
		return true;
	}
}

function isEMailAddr(elem)
{
	var str = elem.value;
	var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
	if(!str.match(re))
	{
		alert("Проверьте правильность введенного адреса.");
		elem.focus();
		return false;
	}
	else
	{
		return true;
	}
}

function isName(elem)
{
	var str = elem.value;
	var re = /^[а-яА-Я\s]*$/;
	if(!str.match(re))
	{
		alert("Пожалуйста, введите имя, отчество и фамилию.");
		elem.focus();
		return false;
	}
	else
	return true;
}

function isNumber(elem)
{
	return true;
}

function validateMailForm(form)
{
	if(isNotEmpty(form.org))
	{
		if(isNotEmpty(form.vid))
		{
			if(isNotEmpty(form.name))
			{
				if(isName(form.name))
				{
					if(isNotEmpty(form.email))
					{
						if(isEMailAddr(form.email))
						{
							if(isNotEmpty(form.tel))
							{
								if(isNumber(form.tel))
								{
									if(isNotEmpty(form.zap))
									{
										return true;
									}
								}
							}
						}
					}
				}
			}
		}
	}
	return false;
}

function clearVal(elem)
{
	elem.value="";
}