var transparentImage = "images/transparent.gif";
function fixTrans()
{
	if (typeof document.body.style.maxHeight == 'undefined') {
	var imgs = document.getElementsByTagName("img");
	for (i = 0; i < imgs.length; i++)
	{
		if (imgs[i].src.indexOf(transparentImage) != -1)
		{
			return;
		}
		if (imgs[i].src.indexOf(".png") != -1)
			{
				var src = imgs[i].src;
				imgs[i].src = transparentImage;
				imgs[i].runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='none')";
			}
		}
	}
}

if (document.all && !window.opera)
	attachEvent("onload", fixTrans);

function hideFormText() {
	var _inputs = document.getElementsByTagName('input');
	var _txt = document.getElementsByTagName('textarea');
	var _value = [];
	
	if (_inputs) {
		for(var i=0; i<_inputs.length; i++) {
			if (_inputs[i].type == 'text' || _inputs[i].type == 'password') {
				
				_inputs[i].index = i;
				_value[i] = _inputs[i].value;
				
				_inputs[i].onfocus = function(){
					if (this.value == _value[this.index])
						this.value = '';
				}
				_inputs[i].onblur = function(){
					if (this.value == '')
						this.value = _value[this.index];
				}
			}
		}
	}
	if (_txt) {
		for(var i=0; i<_txt.length; i++) {
			_txt[i].index = i;
			_value['txt'+i] = _txt[i].value;
			
			_txt[i].onfocus = function(){
				if (this.value == _value['txt'+this.index])
					this.value = '';
			}
			_txt[i].onblur = function(){
				if (this.value == '')
					this.value = _value['txt'+this.index];
			}
		}
	}
}
if (window.addEventListener)
	window.addEventListener("load", hideFormText, false);
else if (window.attachEvent)
	window.attachEvent("onload", hideFormText);
	
function initPage() {
	initNavIndexes();
}
function initNavIndexes()
{
	var nav = document.getElementById("nav");
	if(nav) {
		var lis = nav.getElementsByTagName("li");
		for (var i=0; i<lis.length; i++) {
			//по возрастанию
			//lis[i].style.zIndex = i+1;
			//по убыванию
			lis[i].style.zIndex = lis.length-i;
		}
	}
}
if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
	window.attachEvent("onload", initPage)