var dom = document.getElementById;
var iex = document.all;
var ns5 = ((navigator.userAgent.indexOf("Gecko")>-1) && dom) ? true: false;
var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
var ns4 = (document.layers && !dom) ? true : false;
var ie4 = (document.all && !dom) ? true : false;
var nodyn = (!ns5 && !ns4 && !ie4 && !ie5) ? true : false;

function getElement ( name )
	{
	var el = dom ? document.getElementById(name) : iex ? document.all[name] : ns4 ? eval ( 'document.' + name ) : false;
	return el;
	}

function getElementParent ( name )
	{
	var el = dom ? parent.document.getElementById(name) : iex ? parent.document.all[name] : ns4 ? eval ( 'parent.document.' + name ) : false;
	return el;
	}

function MM_preloadImages() 
	{ //v3.0

	var d=document; 
	if(d.images)
		{ 
		if(!d.MM_p) d.MM_p=new Array();

		var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
		for(i=0; i<a.length; i++)

    			if (a[i].indexOf("#")!=0)
				{
				d.MM_p[j]=new Image; d.MM_p[j++].src=adress_img + a[i];
				}
		}

	}

function im_light ( el , mode )
	{
	if ( cur_page && cur_page != el.id )
		{
		el.src = adress_img + el.id + ( !mode ? ".gif" : "_.gif" );
		}
	}