// JavaScript Document

function onloadmenuback() {
	var leftMenu = document.getElementById('left-menu');
	for(var i = leftMenu.children.length-1; i > -1; i--) {
		if(leftMenu.children[i].className == 'current') {
			a = onLoadMenuBck(leftMenu.children[i].childNodes[0]);
			return a;
		}
	}
}

function ImagesPreload() {
	d = onloadmenuback();
	document.write('<div id="images-preload">');
	if(d == undefined) {
		document.getElementById('wrapper').children[0].style.backgroundImage = 'url(http://evrosimvol.ru/public/images/background/left-menu-bck.jpg)';
		for(var i = 1; i < document.getElementById('left-menu').children.length+1; i++) {
		var div = '<div class="item-'+i+'"></div>';
		document.write(div);
		}
	}
	else {
		document.getElementById('wrapper').children[0].style.backgroundImage = 'url(http://evrosimvol.ru/public/images/background/left-menu-bck-'+d+d+'.jpg)';
		for(var i = 1; i < document.getElementById('left-menu').children.length+1; i++) {
		var div = '<div class="item-'+d+i+'"></div>';
		document.write(div);
		}
	}
	document.write('</div>');
}


function onLoadMenuBck(obj) {
	var k = obj.id.substr(5,2);
//	document.getElementById('left').className = 'item-'+k+k;
	document.getElementById('left').style.backgroundImage = 'url(http://evrosimvol.ru/public/images/background/left-menu-bck-'+k+k+'.jpg)';
	return k;
}

function menubck(obj) {
	d = onloadmenuback();
	if(d == undefined) {
		var c = obj.id.substr(5,2);
//		document.getElementById('left').className = 'item-'+c;
		document.getElementById('left').style.backgroundImage = 'url(http://evrosimvol.ru/public/images/background/left-menu-bck-'+c+'.jpg)';
	}
	else {
		if(obj.parentNode.className != 'current') {
			var c = obj.id.substr(5,2);
			document.getElementById('left').style.backgroundImage = 'url(http://evrosimvol.ru/public/images/background/left-menu-bck-'+d+c+'.jpg)';
//			document.getElementById('left').className = 'item-'+d+c;
		}
	}
}

function menuclearbck(obj) {
	var leftMenu = document.getElementById('left-menu')
	for(var i = leftMenu.children.length-1; i > -1; i--) {
		if(leftMenu.children[i].className == 'current') {
		var a = leftMenu.children[i].childNodes[0].id.substr(5,2);
		}
	}
	if(a == undefined) {
//		document.getElementById('left').className = '';
		document.getElementById('left').style.backgroundImage = ''
	}
	else {
		document.getElementById('left').style.backgroundImage = 'url(http://evrosimvol.ru/public/images/background/left-menu-bck-'+a+a+'.jpg)';
//		document.getElementById('left').className = 'item-'+a+a;
		}			
	}