function cm_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.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.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.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.op5 || this.op6)
  this.usedom= this.ns6//Use dom creation
  this.reuse = this.ie||this.usedom //Reuse layers
  this.px=this.dom&&!this.op5?"px":""
	return this
}
var bw=new cm_bwcheck()
/*Variable declaration*/
var cmpage
/*Crossbrowser objects functions*/
function cm_message(txt){alert(txt); return false}
function cm_makeObj(obj,nest,o,doc){ //Changed in v4.05
  if(!doc) doc=document 
  if(bw.usedom&&o) this.evnt=o
  else{nest=(!nest) ? "doc.":'doc.layers.'+nest+'.'
    this.evnt=bw.dom? doc.getElementById(obj):
    bw.ie4?doc.all[obj]:bw.ns4?eval(nest+"layers." +obj):0;
  }
  if(!this.evnt) return cm_message('The layer does not exist ('+obj+')' 
    +'- \nIf your using Netscape please check the nesting of your tags (on the entire page)\nNest:'+nest)
  this.css=bw.dom||bw.ie4?this.evnt.style:this.evnt; this.ok=0
  this.ref=bw.dom||bw.ie4?doc:this.css.document; 
  this.obj = obj + "Object"; 	eval(this.obj + "=this");
  this.x=0; this.y=0; this.w=0; this.h=0; this.vis=0; return this
}
cm_makeObj.prototype.moveIt = function(x,y){this.x=x;this.y=y; this.css.left=x+bw.px;this.css.top=y+bw.px}
cm_makeObj.prototype.showIt = function(o){this.css.visibility="visible"; this.vis=1; if(bw.op5&&this.arr){ this.arr.showIt(); }}//alert('showing arrow')}} 
cm_makeObj.prototype.hideIt = function(no){this.css.visibility="hidden"; this.vis=0;}
cm_makeObj.prototype.clipTo = function(t,r,b,l,setwidth){ 
this.w=r; this.h=b; if(bw.ns4){this.css.clip.top=t;this.css.clip.right=r; this.css.clip.bottom=b;this.css.clip.left=l
}else{if(t<0)t=0;if(r<0)r=0;if(b<0)b=0;if(b<0)b=0; this.css.clip="rect("+t+bw.px+","+r+bw.px+","+b+bw.px+","+l+bw.px+")";
if(setwidth){if(bw.op5||bw.op6){this.css.pixelWidth=r; this.css.pixelHeight=b;}else{this.css.width=r+bw.px; this.css.height=b+bw.px;}}}}
function cm_active(on,h){
	if(this.o.arr) on?this.o.arr.hideIt():bw.op5?this.o.arr.showIt():this.o.arr.css.visibility="inherit"
  if(bw.reuse||bw.usedom){
    if(!this.img2) this.o.evnt.className=on?this.cl2:this.cl
    else this.o.ref.images["img"+this.name].src=on?this.img2.src:this.img1.src; //Changed v4.05
    if(on && bw.ns6){this.o.hideIt(); this.o.css.visibility='inherit' }; //netscape 6 bug fix  
  }else{  
    if(!this.img2){ if(on) this.o.over.showIt(); else this.o.over.hideIt();
    }else this.o.ref.images["img"+this.name].src=on?this.img2.src:this.img1.src;
  }this.isactive=on?1:0
}
/***Pageobject **/
function cm_page(frame){ //Changed v4.05
  if(!frame) frame = self 
  this.x=0; this.x2 =(!bw.ie)?frame.innerWidth:frame.document.body.offsetWidth-20;
  this.y=0; this.orgy=this.y2= (!bw.ie)?frame.innerHeight:frame.document.body.offsetHeight-6;
  this.x50=this.x2/2; this.y50=this.y2/2; return this
}
/***check positions**/
function cm_cp(num,w,minus){
	if(num){if(num.toString().indexOf("%")!=-1){var t = w?cmpage.x2:cmpage.y2; num=parseInt((t*parseFloat(num)/100))
  if(minus) num-=minus }else num=eval(num);} else num=0; return num
}
/**Level object**/
function cm_makeLevel(){
  var c=this, a=arguments; c.width=a[0]||null; c.height=a[1]||null; 
  c.regClass=a[2]||null; c.overClass=a[3]||null; c.borderX=a[4]||null; 
  c.borderY=a[5]||null; c.borderClass=a[6]||null; c.rows=a[7]>-1?a[7]:null; 
  c.align=a[8]||null; c.offsetX=a[9]||null; c.offsetY=a[10]||null; c.arrow=a[11]||null; 
  c.arrowWidth=a[12]||null; c.arrowHeight=a[13]||null; return c
}
