/* ======================================================================

     JavaScript Source File -- Created with Loving Care by Scott Ehly

NAME: 		util.js

AUTHOR: 	Scott Ehly
PURPOSE: 	Contain functions that may be used in multiple pages.
====================================================================== */

/* ==================== Beginning of DeskUtil.js =================== */
// global variables
var args=new Object();
window.onload=winOnload;
/*======================================================================================= */
/* Function to run at Window OnLoad event												  */
/*======================================================================================= */

function winOnload() {
	MM_preloadImages('images/3_r2_c2_f2.gif','images/3_r2_c2_f3.gif','images/6_r3_c4_f2.gif','images/6_r3_c4_f3.gif','images/8_r3_c6_f2.gif','images/8_r3_c6_f3.gif','images/10_r3_c8_f2.gif','images/10_r3_c8_f3.gif','images/13_r4_c10_f2.gif','images/13_r4_c10_f3.gif');
/*	getArgs();
	if (args.jump) {
		navigate('#'+args.jump);
	}
*/
	
}
/*======================================================================================= */
/* Function to gather arguments passed in query string.                                   */
/*======================================================================================= */
function getArgs() {
	var query = location.search.substring(1);	//Get query string.
	var pairs = query.split("&");				//Create array of name=value pairs with "&" as delimiter.
	for (var i = 0; i < pairs.length; i++) {
		var pos = pairs[i].indexOf('=');
		if (pos == -1) continue;				//skip if "=" not found.
		var argname = pairs[i].substring(0,pos);
		var argval = pairs[i].substring(pos+1);
		args[argname] = unescape(argval);
	}

}

/*======================================================================================= */
/* Functions for navigation graphics -- Author: unknown                                   */
/*======================================================================================= */

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_nbGroup(event, grpName) { //v6.0
var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])?args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) { img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr) for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

/* ========================== End of DeskUtil.js =================== */