var path = "img/layout/menu/";
var m_path = "../img/layout/contact/map/";
var typ = ".gif";
var m_typ = ".jpg";
var state_on = "_on";
var state_off = "_off";
var zoom = 2;
	
function pre_image()
	{
		off = new Array(4);
		on = new Array(4);
		map = new Array(6);
		
		for (i=0; i<=3; i++)
			{
				off[i] = new Image();
				off[i].src = path + i + state_off + typ;
				on[i] = new Image();
				on[i].src = path + i + state_on + typ;
			}
		for (i=0; i<=5; i++)
			{
				map[i] = new Image();
				map[i].src = m_path + i + m_typ;
			}

	}	
window.onload = pre_image;

function menu_pic(j)
	{

		vad = j;

		for (k=0; k<=3; k++)
			{
				if (vad == k)
					{
						eval("document.getElementById('menu_"+k+"').src=''+on[k].src+'' ");
					}
				else
					{
						eval("document.getElementById('menu_"+k+"').src=''+off[k].src+'' ");	
					}
					
			}
	}
	
function map(a)
	{
					if (a == 2)
					{ 
						
						eval("document.getElementById('map').src=''+map[zoom].src+'' ");
					}
				else
					{
						zoom =zoom - 1;
						eval("document.getElementById('map').src=''+map[zoom].src+'' ");
					}	
	}