/**
* Version1.1: It has got special border feature.
Improvised on algorithm.
Added functionality for netscape 6.
*/
/**
* suggest at: yogeshsarang@indiatimes.com
*/
/**
* object implementation for holding menu positions.
*
* Name : ABCD.
* Date : Friday,July 26,2002.
* Author : Yogesh Sarang.
* Company : Infoseek India Pvt. Ltd.
*
* Method Summary
* Parameterized Constructor : no return.
* Parameter summary
* name : type string.
* Its name of the object in which ABCD is instanciated.
* cells : type int.
* Its the number of cells to be shown at a time in scroller.
* Asigns default values to member veriables.
* getFiller : return string.
* It creates table structure for ABCD scroller.
* fillABCD : no return.
* It replaces all the previous elements by new ones.
* scrollLeft : no return.
* It uses timer to repetitively call itself
* & everytime scrolls by specific amount to left.
* scrollRight : no return.
* It uses timer to repetitively call itself
* & everytime scrolls by specific amount to right.
* Create : no return.
* It creates scroller divisions or layers in DHTML.
* Variable Summary
* name : type string.
* Its name of object in which ABCD is instanciated.
* semaphore : type string.
* Its used for synchronization purpose.
* pause : type int.
* Its the time between two calls to scrolling routine.
* increment : type int.
* Its the amount by which each cell will be scrolled.
*/
function ABCD(name,cells)
{
this.semaphore="none";
this.pause=0;
this.increment=2;
this.timer=null;
this.name=name;
this.cellWidth=0;
this.currentPos=0;
this.cellCount=cells;
this.Element=new Array();
this.getFiller=getfiller;
this.fillABCD=fillABCD;
this.scrollLeft=scrollleft;
this.scrollRight=scrollright;
this.Create=createABCD;
}
/**
* Impementation of Create for object ABCD.
* Parameter summary
* left : type int.
* Its left position of scroller.
* top : type int.
* Its top position of scroller.
* width : type int.
* Its width of scroller.
*/
function createABCD(left,top,width)
{
// calculate width of each cell.
this.cellWidth=Math.round(width/this.cellCount);
// if no elements are given fill default elements of A to Z.
if(this.Element.length==0)
{
this.Element[0]="A";this.Element[1]="B";this.Element[2]="C";this.Element[3]="D";
this.Element[4]="E";this.Element[5]="F";this.Element[6]="G";this.Element[7]="H";
this.Element[8]="I";this.Element[9]="J";this.Element[10]="K";this.Element[11]="L";
this.Element[12]="M";this.Element[13]="N";this.Element[14]="O";this.Element[15]="P";
this.Element[16]="Q";this.Element[17]="R";this.Element[18]="S";this.Element[19]="T";
this.Element[20]="U";this.Element[21]="V";this.Element[22]="W";this.Element[23]="X";
this.Element[24]="Y";this.Element[25]="Z";
}
document.write("");
// create DHTML objects for actually displaying scroller.
if(document.all || document.getElementById)
// for ie you will get scroller for large list, making page look big at width,
// so get only cells that are visible & one extra for smooth scrolling.
document.write("
"+this.getFiller(0,this.cellCount+1)+"
");
else if(document.layers)
// for ns you won't get the scroller, so fill whole of the content.
document.write(""+this.getFiller(0,this.Element.length)+"");
}
/**
* Impementation of getFiller for object ABCD.
* Parameter summary
* start : type int.
* Its starting index in Element array.
* end : type int.
* Its last index in Element array.
*/
function getfiller(start,end)
{
// for thin border you need one pixel lesser in width.
width=this.cellWidth-1;
// fill the string with HTML code for table holding all the specified elements.
var filler="