menu1 = new Image();
menu2 = new Image();
menu3 = new Image();
menu4 = new Image();
menu5 = new Image();
menu6 = new Image();
menu7 = new Image();

menu1.src="img/menu_company_on.gif";
menu2.src="img/menu_production_on.gif";
menu3.src="img/menu_distrib_on.gif";
menu4.src="img/menu_news_on.gif";
menu5.src="img/menu_job_on.gif";
menu6.src="img/menu_contacts_on.gif";
menu7.src="img/menu_raschet_on.gif";


function change(dstImg, src)
{
	dstImg.src = 'img/' + src;
}



function showBigImage(file, target, width, height)
{
	var left = (screen.availWidth / 2) - (width / 2);
	var top = (screen.availHeight / 2) - (height /2);
	window.open(file, target, "top=" + top + ",left=" + left + ",width=" + width + 
		",height=" + height + "toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no");
}



function printRandomImage()
{
	var imgSrc = "";

	switch(Math.round((Math.random() * 7)))
	{
		case 0: imgSrc="img/sliva_s.jpg"; break;
		case 1: imgSrc="img/kuraga_s.jpg"; break;
		case 2: imgSrc="img/grusha_s.jpg"; break;
		case 3: imgSrc="img/finiki_s.jpg"; break;
		case 4: imgSrc="img/kuraga_s.jpg"; break;
		case 5: imgSrc="img/sliva_s.jpg"; break;
		case 6: imgSrc="img/grusha_s.jpg"; break;
		case 7: imgSrc="img/finiki_s.jpg"; break;
	}
	
	document.write('<img src="' + imgSrc + '" width="170" height="300" border="0" />');
}


var currentLayer = null;
var currentLayerId = 0;
var noClose = 0;
var closeTimer = null;


function mopen(menu_id)
{
	var l = document.getElementById(menu_id);

	if(l)
	{
		mcancelclosetime();
				
		l.style.visibility='visible';

//		if(currentLayer && (currentLayerId != menu_id))
//			currentLayer.style.visibility='hidden';
				    
		currentLayer = l;
		currentLayerId = menu_id;
	}
	else if(currentLayer)
	{
		currentLayer.style.visibility='hidden';
		currentLayerId = 0;
	}
			
}

function mclosetime()
{
	closeTimer = window.setTimeout(mclose, 500);
}

function mcancelclosetime()
{
	if(closeTimer)
	{
		window.clearTimeout(closeTimer);
	}
				
}

function mclose()
{
	if(currentLayer && noClose!=1)
	{
		currentLayer.style.visibility='hidden';
		currentLayerId = 0;
	}
	else
	{
		noClose = 0;
	}
}

document.onclick = mclose;


function branchSwitch(branch)
{
	var currElement = document.getElementById(branch);
	currElement.style.display = (currElement.style.display == 'none')? 'block' : 'none';
	return false;
}