var Links= new Array();
var objCount = 0;

function notAvailable () {
	alert ('Этот раздел еще не доступен!');
	return false;
}

function preload() {  
	preloadItem ('link7', 'images/cap1/alogo.gif', 'images/cap1/logo.gif');
}

function preloadItem (id, imageOn, imageOff) {
	Links[objCount] = new Array(3);
    Links[objCount][0] = new Image();
    Links[objCount][0].src = imageOff;
    Links[objCount][1] = new Image();
    Links[objCount][1].src = imageOn;
    Links[objCount][2] = id;
    objCount++;
}

function on(linkName){
     for (i = 0; i < objCount; i++) {
      if (document.images[Links[i][2]] != null)
        if (linkName != Links[i][2]) { 
          document.images[Links[i][2]].src = Links[i][0].src;
        } else {
           document.images[Links[i][2]].src = Links[i][1].src;
    }
  }
}

function off(){
     for (i = 0; i < objCount; i++) {
      if (document.images[Links[i][2]] != null) 
        document.images[Links[i][2]].src = Links[i][0].src;
  }
}

function lib_bwcheck(){
	this.ver=navigator.appVersion;
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5 || this.dom)
	return this
}

function setHomePage () {
	if (bw.ie5) {
		var url = 'http://www.asksoft.ru/';
		document.body.setHomePage (url);
	}
}