/***********************************************
* Dock Content script- Created by and © Dynamicdrive.com
* This notice must stay intact for use
* Visit http://www.dynamicdrive.com/ for full script
***********************************************/

var offsetfromedge=0      //offset from window edge when content is "docked". Change if desired.
var dockarray=new Array() //array to cache dockit instances
var dkclear=new Array()   //array to cache corresponding clearinterval pointers
var beginingPos = null ;
//var tobj =  document.getElementById('dockcontent0') ;

//alert (tobj.height ) ;

function dockit(el, duration){ 

//if (!document.all) return;
//if (!document.all[el])	 return;
if (!document.getElementById(el))	 return;

	

this.source=document.all? document.all[el] : document.getElementById(el);


this.source.height=this.source.offsetHeight;

//this.source.height = 200  ;
this.docheight=truebody().scrollHeight ; // clientHeight;

//this.docheight=document.documentElement.clientHeight; 

this.duration=duration;
this.pagetop=0;
this.elementoffset=this.getOffsetY();
dockarray[dockarray.length]=this;
var pointer=eval(dockarray.length-1);
var dynexpress='dkclear['+pointer+']=setInterval("dockornot(dockarray['+pointer+'])",100);';
dynexpress=(this.duration>0)? dynexpress+'setTimeout("clearInterval(dkclear['+pointer+']); dockarray['+pointer+'].source.style.top=0", duration*1000)' : dynexpress;
eval(dynexpress);
 this.source.style.display="none"  ;
}

dockit.prototype.getOffsetY=function(){
var totaloffset=parseInt(this.source.offsetTop);
var parentEl=this.source.offsetParent;

while (parentEl!=null){
	totaloffset+=parentEl.offsetTop;
	parentEl=parentEl.offsetParent;
}
//alert(  this.source.offsetTop+ ' ' + this.source.offsetParent.offsetTop  );
//totaloffset=this.source.offsetTop ;


if(navigator.userAgent.indexOf("Firefox")!=-1){
//	totaloffset = totaloffset +20 ;
}
else{
	//document.getElementById('dockcontent0').style.top = 15 ;
}
return totaloffset;


}

function dockornot(obj){
obj.pagetop=truebody().scrollTop;

if (obj.pagetop>obj.elementoffset) //detect upper offset
obj.source.style.top=obj.pagetop-obj.elementoffset+offsetfromedge;
else if (obj.pagetop+obj.docheight<obj.elementoffset+parseInt(obj.source.height)) //lower offset
obj.source.style.top=obj.pagetop+obj.docheight-obj.source.height-obj.elementoffset-offsetfromedge;
else
obj.source.style.top=0;
}

function truebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

if (document.all)
document.write('<style>.dockclass{position:relative;}</style>')



function showHide(){
	if ( document.getElementById("dockcontent0").style.display=="none"){
//		document.getElementById("dockcontent0").style.visibility="visible" ;		
		document.getElementById("dockcontent0").style.display="inline" ;		
	}
	else{
		document.getElementById("dockcontent0").style.display="none" ;	
//		document.getElementById("dockcontent0").style.visibility="hidden" ;
	}


if(navigator.userAgent.indexOf("Firefox")!=-1){
	//document.getElementById('dockcontent0').style.top = -95 ;
}
else{
//document.getElementById('dockcontent0').style.top = -100 ;
}

}