/*DHTML library Thomas Brattli 2001 DHTMLCentral.com*/

function lib_bwcheck(){ 
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent.toLowerCase()
	this.dom=document.getElementById?1:0
	this.op5=(this.agent.indexOf("opera 5")>-1 || this.agent.indexOf("opera/5")>-1) && window.opera 
  	this.op6=(this.agent.indexOf("opera 6")>-1 || this.agent.indexOf("opera/6")>-1) && window.opera   
  	this.ie5 = (this.agent.indexOf("msie 5")>-1 && !this.op5 && !this.op6)
  	this.ie55 = (this.ie5 && this.agent.indexOf("msie 5.5")>-1)
  	this.ie6 = (this.agent.indexOf("msie 6")>-1 && !this.op5 && !this.op6)
	this.ie7 = (this.agent.indexOf("msie 7")>-1 && !this.op5 && !this.op6)
	this.ie4=(this.agent.indexOf("msie")>-1 && document.all &&!this.op5 &&!this.op6 &&!this.ie5&&!this.ie6)
  	this.ie = (this.ie4 || this.ie5 || this.ie6 ||this.ie7)
	this.mac=(this.agent.indexOf("mac")>-1)
	this.ns6=(this.agent.indexOf("gecko")>-1 || window.sidebar)
	this.ns4=(!this.dom && document.layers)?1:0;
	this.bw=(this.ie7 || this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.op5 || this.op6)
  	this.usedom= this.ns6
  	this.reuse = this.ie||this.usedom 
  	this.px=this.dom&&!this.op5?"px":""
	return this
}
bw=new lib_bwcheck() 

function lib_message(txt){
}

function lib_obj(obj,nest){ 
  if(!bw.bw) return lib_message('Old browser')
  nest=(!nest) ? "":'document.'+nest+'.'
  this.evnt=bw.dom? document.getElementById(obj):
    bw.ie4?document.all[obj]:bw.ns4?eval(nest+"document.layers." +obj):0;	
  if(!this.evnt) return lib_message('The layer does not exist ('+obj+')' 
    +'- \nIf your using Netscape please check the nesting of your tags!')
  this.css=bw.dom||bw.ie4?this.evnt.style:this.evnt; 
  this.ref=bw.dom||bw.ie4?document:this.css.document;
  this.x=parseInt(this.css.left)||this.css.pixelLeft||this.evnt.offsetLeft||0;
  this.y=parseInt(this.css.top)||this.css.pixelTop||this.evnt.offsetTop||0
  this.w=this.evnt.offsetWidth||this.css.clip.width||
    this.ref.width||this.css.pixelWidth||0; 
  this.h=this.evnt.offsetHeight||this.css.clip.height||
    this.ref.height||this.css.pixelHeight||0
  this.c=0 
  if((bw.dom || bw.ie4) && this.css.clip) {
  this.c=this.css.clip; this.c=this.c.slice(5,this.c.length-1); 
  this.c=this.c.split(' ');
  for(var i=0;i<4;i++){this.c[i]=parseInt(this.c[i])}
  }
  this.ct=this.css.clip.top||this.c[0]||0; 
  this.cr=this.css.clip.right||this.c[1]||this.w||0
  this.cb=this.css.clip.bottom||this.c[2]||this.h||0; 
  this.cl=this.css.clip.left||this.c[3]||0
  this.obj = obj + "Object"; eval(this.obj + "=this")
  return this
}

lib_obj.prototype.moveIt = function(x,y){
  this.x=x;this.y=y; this.css.left=x;this.css.top=y
}

lib_obj.prototype.GPmove = function(){
	this.moveBy(hpoint,0);
	if(bw.ns4){this.moveBy(-8,7);}
	if(bw.mac && bw.ie5){this.moveBy(10,0);}
	this.css.visibility="visible";
	}

lib_obj.prototype.moveBy = function(x,y){
  this.css.left=this.x+=x; this.css.top=this.y+=y
}

lib_obj.prototype.showIt = function(){this.css.visibility="visible"}

lib_obj.prototype.hideIt = function(){this.css.visibility="hidden"}

lib_obj.prototype.showhideIt = function(){
	if (this.css.visibility == "hidden") {
	this.css.visibility="visible";
	}else{
	this.css.visibility="hidden";
	}
}

lib_obj.prototype.writeStuff = function(){
	if (this.css.display == "none") {
	this.css.display="";
	}else{
	this.css.display="none";
	}
}

lib_obj.prototype.bg = function(color){ 
	if(bw.opera) this.css.background=color
	else if(bw.dom || bw.ie4) this.css.backgroundColor=color
	else if(bw.ns4) this.css.bgColor=color  
}

lib_obj.prototype.writeIt = function(text,startHTML,endHTML){
	if(bw.ns4){
    if(!startHTML){startHTML=""; endHTML=""}
	  this.ref.open("text/html"); 
    this.ref.write(startHTML+text+endHTML); 
    this.ref.close()
	}else this.evnt.innerHTML=text
}

function lib_doc_size(){ 
  this.x=0;this.x2=bw.ie && document.body.offsetWidth-20||innerWidth||0;
  this.y=0;this.y2=bw.ie && document.body.offsetHeight-5||innerHeight||0;
  if(!this.x2||!this.y2) return message('Document has no width or height') 
  this.x50=this.x2/2;this.y50=this.y2/2;
	
	hpoint = ((this.x2 - 770)/2);
	if (hpoint <= 0) {
	hpoint = 0
	} else {
	// do nothing
	}

  return this;
}