/**********************************************************************

	BioWare Javascript File

	

	File: mc_functions.js

	

	Description: Movable Content Functions - calls additional functions in layer_functions.js

	

	Created: Robin Mayne, April 11, 2002 Copyright 2002 BioWare Corp.

***********************************************************************	

	Version: 0.0.3

	

	Version History:

		0.0.1 / 11.04.02 / Created / RM

		0.0.2 / 16.04.02 / Updated / RM

						Calls setWidth() function	

		0.0.3 / 16.04.02 / Updated / RM

						Removed setNavPosition() - placed in header.inc	



***********************************************************************/



/******************************************************************************

* Netscape 4.0 has problems with resizing and then losing its CSS 			  *

* variables and stuff. This Fix is a common Net Fix for the problem.		  *

******************************************************************************/



function WM_netscapeCssFix() {

  if (document.WM.WM_netscapeCssFix.initWindowWidth != window.innerWidth ||

        document.WM.WM_netscapeCssFix.initWindowHeight != window.innerHeight) {

     document.location = document.location;

    }

}



function WM_netscapeCssFixCheckIn() {

  if ((navigator.appName == 'Netscape') && (parseInt(navigator.appVersion) == 4)) { 

	if (typeof document.WM == 'undefined'){

       document.WM = new Object;

       }

    if (typeof document.WM.WM_scaleFont == 'undefined') {

       document.WM.WM_netscapeCssFix = new Object;

       document.WM.WM_netscapeCssFix.initWindowWidth = window.innerWidth;

       document.WM.WM_netscapeCssFix.initWindowHeight = window.innerHeight;

       }

    window.onresize = WM_netscapeCssFix;

  }

}



WM_netscapeCssFixCheckIn();



function fakeLoad() { //Need to set to window.onload, and need to add height support

	if (HM_Opera || HM_IE4M) {

	    //oldWidth = cbeInnerWidth();

		//myWindowWidth = getWindowWidth();

	    //oldHeight = cbeInnerHeight();

	    resizeHandler();

	}

}  

function resizeHandler()

{

  if (HM_Opera || HM_IE4M) {

    if (getWindowWidth() != windowwidth) {

      location.replace(location.href);

    }

    else {

      setTimeout("resizeHandler()",500);

    }  

  } 

} 



//set the cursor to focus on the community login form

// NOTE: focusOnLoad must be declared and set in header.inc, 

//           or else this function does nothing



//set focusOnLoad globally to avoid errors if it isn't defined in header.inc

if ( typeof(focusOnLoad) == "undefined" ) {

  var focusOnLoad = "";

} 



function setCommLoginFocus() 

{

  if ( ! HM_NS4 )

  {

    if ( focusOnLoad == "password" ) 

    {

      document.community_login.password.focus();    

    }

    else if ( focusOnLoad == "username" ) 

    {

      document.community_login.username.focus();        

    }

  }

}



function startItUp() {

	setNavPosition();

	fakeLoad();

	setCommLoginFocus();

}



// Global Vars

	var divspacex = 1;

	var divspacey = 10;

	var windowwidth, windowmiddle;

	// these get set in setNavPosition() depending on screensize

	var divstartx, divstarty; // divcols



function divDisplay(divcols) { // display divs where divcols equals number of columns

	for (i = 0; i < divarray.length; i++) {

	// write out div positioning of MC

		if (i == 0) { // first div

			eval("moveToShow('"+ divarray[i] +"', divstartx, divstarty);");

		}

		else if ((i % 2) == 1) { // additional odd divs - bottoms

			eval("moveToShow('"+ divarray[i] +"', findX('"+ divarray[i-1] +"image'), findY('"+ divarray[i-1] +"image'));");

		}

		else if ((i % 2) == 0) { // additional even divs - tops

			

			if (((i/2) % divcols) == 0) { // 1st column

				divtopx = divstartx;

			}

			else { // Any column but 1st column

				xprevious = eval("findX('"+ divarray[i-2] +"image');");

				divtopx = xprevious + 200 + divspacex;

			}

			

			if (i < (divcols*2)) { // 1st row

				divtopy = divstarty;

			}

			else { // Any row but 1st row

				divtopy = eval("findY('"+ divarray[i-((divcols*2)-1)] +"image');") + divspacey;

			}		

			eval("moveToShow('"+ divarray[i] +"', "+divtopx+", "+divtopy+");");

		}			

	}



}	

	

var move_timeout;

function timedMoveTo(startdiv, movedir) {	

	var islastdiv = 0;



	// find div position within the div array

	for (i = 0; i < divarray.length; i++) {

		if (startdiv == divarray[i]) {

			// check if startdiv is last div in array

			if ((i+1) == divarray.length) {

				var islastdiv = 1;

			}

			var divPosition = i+1;

			var divnext = divarray[i+1];

			break

		}

	}

	// repositioning code

	if (!islastdiv) { // if last div, repositioning code does not need to execute

		ndivnext = getLayer(divnext);

		

		if (movedir == "up") {

			moveamount = -20;

			startdivrefimage = divarray[i-1] + "image";

		}

		else {

			moveamount = 20;

			startdivrefimage = divarray[i] + "image";

		}

		var startdivrefimagey = findY(startdivrefimage);

		var finalpos = startdivrefimagey + divspacey;

		var nextpos = getTop(ndivnext)+moveamount;

		

		movecommands = "";	

		if (((movedir == "up") && (nextpos < finalpos)) || ((movedir == "down") && (nextpos > finalpos))) {

			movecommands = movecommands + "moveLayerTo(n"+ divnext +", divstartx, findY('"+ startdivrefimage +"') + divspacey);";

		}

		else {

			movecommands = movecommands + "moveLayerBy(n"+divnext+", 0, moveamount);";

		}

		

	

		// check each div after the altered one, and move appropriately

		for (i = (divPosition + 1); i < divarray.length; i++) { 				

		

			// check for first previous visible div, and set that as the reference div

			for (b = 1; b < divarray.length; b++) {

				myflag = eval(divarray[i-b] + "vis");	

				if (myflag) {

					var divref = divarray[i-b];

					break

				}

			}

			

			// now move div under reference div

			if ((i % 2) == 1) { // odd divs - bottoms

				movecommands = movecommands + "moveLayerTo(n"+ divarray[i] +", divstartx, findY('"+ divref +"image'));";

			}

			else if ((i % 2) == 0) { // even divs - tops

				movecommands = movecommands + "moveLayerTo(n"+ divarray[i] +", divstartx, findY('"+ divref +"image') + divspacey);";

			}

	

		}

		//alert(getTop(ndivnext));

		eval(movecommands);

		move_timeout = eval("setTimeout('timedMoveTo("+"\""+ startdiv + "\",\"" + movedir +"\"" +");', 1)");

		

		if (movedir == "up") {

			if ((getTop(ndivnext)) <= (findY(startdivrefimage)) + divspacey) {

				//alert(getTop(ndivnext)+" <= "+findY(startdivrefimage)+" + "+divspacey);

				clearTimeout(move_timeout);

			}

		}

		else {

			if ((getTop(ndivnext)) >= (findY(startdivrefimage)) + divspacey) {

				//alert(getTop(ndivnext)+"  >= "+findY(startdivrefimage)+" + "+divspacey);

				clearTimeout(move_timeout);

			}

		}	

	}

	

}



function MinMaxDiv(nlayer) { // Switch div visibility and reposition following divs

		

	// Reverse div visiblity

	flag = eval(nlayer + "vis");

	if (flag) { // div is visible

		eval("hideLayer(n" + nlayer + ")");

		eval(nlayer + "vis = 0");

		timedMoveTo(nlayer, 'up');

	}

	else { // div is hidden

		eval("showLayer(n" + nlayer + ")");

		eval(nlayer + "vis = 1");

		timedMoveTo(nlayer, 'down');

	}		

	

}



// Create Movable Content Div Array

var divarray = new Array();



var divindex = 0;

function loadDiv(divname) { // loads div names into array

    divarray[divindex] = divname;

    divindex++;

}



function listDivs() { // lists all values in array

	divList = "There are " + divarray.length + " divs in the array...\n";

	for (i = 0; i < divarray.length; i++) {

		divList = divList + "\n"+ divarray[i] +"\n";

	}

	alert(divList);

}