function newImage(arg) 
{
	rslt = new Image();
	rslt.src = arg;
	return rslt;
}


var	menu_1 = newImage("img/menu_1.gif");
var	menu_1_on = newImage("img/menu_1_on.gif");

var	menu_2 = newImage("img/menu_2.gif");
var	menu_2_on = newImage("img/menu_2_on.gif");

var	menu_3 = newImage("img/menu_3.gif");
var	menu_3_on = newImage("img/menu_3_on.gif");

var	menu_4 = newImage("img/menu_4.gif");
var	menu_4_on = newImage("img/menu_4_on.gif");

var	menu_5 = newImage("img/menu_5.gif");
var	menu_5_on = newImage("img/menu_5_on.gif");

var	menu_6 = newImage("img/menu_6.gif");
var	menu_6_on = newImage("img/menu_6_on.gif");

function swapON(id){
document.getElementById(id).src=eval(id+'_on').src;
}

function swapOFF(id){
document.getElementById(id).src=eval(id).src;
}




var wnd = null;
function openPic(image, wid, hei)
{
	var wnd_height = (hei) ? hei : 400;
	var wnd_width = (wid) ? wid : 600;
	var wnd_left = (screen.width - wid)/2;
	var wnd_top = (screen.height - hei)/2;
	wnd_height=wnd_height+40;
	if(wnd)
	{
		wnd = window.open("pic.php?image="+image, "preview_wnd", "location=no,menubar=no,personalbar=no,scrollbars=no,status=no,toolbar=no,width="+wnd_width+",height="+wnd_height+",left="+wnd_left+",top="+wnd_top);
		wnd.focus();
	}
	else
	{
		wnd = window.open("pic.php?image="+image, "preview_wnd", "location=no,menubar=no,personalbar=no,scrollbars=no,status=no,toolbar=no,width="+wnd_width+",height="+wnd_height+",left="+wnd_left+",top="+wnd_top);
	}
}


function openGallery(id)
{
	var wid=490;
	var hei=590;
	var wnd_height = (hei) ? hei : 400;
	var wnd_width = (wid) ? wid : 600;
	var wnd_left = (screen.width - wid)/2;
	var wnd_top = (screen.height - hei)/2;

		wnd = window.open("gallery.php?id="+id, "preview_wnd", "location=no,menubar=no,personalbar=no,scrollbars=no,status=no,toolbar=no,width="+wnd_width+",height="+wnd_height+",left="+wnd_left+",top="+wnd_top);
}


function expand(id)
{
	var obj=document.getElementById('layer_'+id);
	obj.className='inner';

	var obj=document.getElementById('open_'+id);
	obj.className='hidden';

	var obj=document.getElementById('close_'+id);
	obj.className='visible';

	

}


function collapse(id)
{
	var obj=document.getElementById('layer_'+id);
	obj.className='inner_hidden';

	var obj=document.getElementById('open_'+id);
	obj.className='visible';

	var obj=document.getElementById('close_'+id);
	obj.className='hidden';

	

}


function checkLength(maxlength){
	var obj=document.getElementById('intro');

		if(obj.value.length>=maxlength)	{ obj.value=obj.value.substr(0,maxlength); } else
 		{
 			document.getElementById('counter').innerHTML='Осталось: '+(maxlength-obj.value.length-1)+' символов.';
		}
		
}