/* main.js
 *
 * by Micah Freedman
 *
 */
 
 


/* Rollover */

function preLoad() {
  if (document.images) {
    loadedImg = new Array();
	
    // Loop through all the arguments.
    var argLength = preLoad.arguments.length;
    for(i=0; i<argLength; i++) {
      // For each argument, create a new image.
      loadedImg[i] = new Image();
      // Then set the source of that image to the current argument.
      loadedImg[i].src = preLoad.arguments[i];
    }
  }
}

function swapImage(imgName, imgSrc) {
   if (document.layers) { 
   		// for NS4 
		document.layers["banner"].document.images[imgName].src = imgSrc;
   } else if (document.all) { 
   		// for IE4
		 document.all[imgName].src=imgSrc;
   } else { 
   		// for W3 compliant browsers
		document.getElementById(imgName).src=imgSrc;
   }
} 

function out(id) {
	swapImage ('I_' + id, id + '.gif');
}

function over(id) {
	swapImage ('I_' + id, id + '_ov.gif');
}


function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function menuOn (id) {
	MM_showHideLayers(id,'','show');
}

function menuOff (id) {
	MM_showHideLayers(id,'','hide');
}