var img_path = '/img/';
var img_def = [ ['image1','bt_begin.jpg','sbt_begin.jpg'],
			   ['image2','bt_production.jpg','sbt_production.jpg'],
			   ['image3','bt_contacts.jpg','sbt_contacts.jpg'],
			   ['image4','bt_to.jpg','sbt_to.jpg'],
			   ['image5','bt_news.jpg','sbt_news.jpg'],
			   ['image6','bt_info.jpg','sbt_info.jpg'],
			   ['image7','bt_about.jpg','sbt_about.jpg'],
			   ['image8','bt_search.jpg','sbt_search.jpg'] ];

function idSetImg(defID, state)
{
	img=document.getElementById(img_def[defID][0]);
	if(state==0)img.src=img_path+img_def[defID][1];else img.src=img_path+img_def[defID][2];
}

function preload_img()
{
	var d=document;
	if(!d.preimg)
	{
		d.preimg=new Array();
		for(var i=0;i<img_def.length;i++)
		{
			d.preimg[i]=new Image;
			d.preimg[i].src=img_def[i][2];
		}
	}
}

var img1 = new Image();
img1.src = "/img/design_arrow.gif";
var img2 = new Image();
img2.src = "/img/design_arrow_dn.gif";

function doOutline(srcId) {
  var srcElement, targetElement;
  srcElement = document.getElementById(srcId);
  targetElement = document.getElementById(srcId + "_div");
  
  if (targetElement.style.display == "none") {
  	targetElement.style.display = "";
	srcElement.src = img2.src;
  } else {
  	targetElement.style.display = "none";
	srcElement.src = img1.src;
  }  
}