/*
	ui.js
	Javascript file to handle dynamic user interface 
*/

activeTool = "";

//Function to track active tool, and highlight active toolbar cell
function switchTool(obj, notTool) {
	if (!document.all) {
		if (document.MapForm) document.MapForm.PanTool.value = obj;
	} else {
		obj = eval(obj);
		if (window.event.srcElement) if (window.event.srcElement.tagName == "INPUT") return;
		if (activeTool) {
			activeTool.bgColor = "FFFFFF";
			activeTool.style.color = "FFFFFF";
		}
		activeTool = obj;
		obj.bgColor = "FFFFFF";
		obj.style.color = "FFFFFF";
		if (notTool) return;
		if (document.MapForm) document.MapForm.PanTool.value = obj.id;
		
	}
}

function switchToolCorner(obj, notTool) {
	if (!document.all) {
		if (document.MapForm) document.MapForm.PanTool.value = obj;
	} else {
		obj = eval(obj);
		if (window.event.srcElement) if (window.event.srcElement.tagName == "INPUT") return;
		if (activeTool) {
			//activeTool.bgColor = "FFFFFF";
			//activeTool.style.color = "FFFFFF";
		}
		activeTool = obj;
		//obj.bgColor = "FFFFFF";
		//obj.style.color = "FFFFFF";
		if (notTool) return;
		if (document.MapForm) document.MapForm.PanTool.value = obj.id;
	}
}




function switchcolor(obj, notTool) {
	if (!document.all) {
		if (document.MapForm) document.MapForm.PanTool.value = obj;
	} else {
		obj = eval(obj);
		if (window.event.srcElement) if (window.event.srcElement.tagName == "INPUT") return;
		if (activeTool) {
			activeTool.bgColor = "ababab";
			activeTool.style.color = "ababab";
		}
		activeTool = obj;
		obj.bgColor = "FFFFFF";
		obj.style.color = "FFFFFF";

	}
}

function switchback(obj, notTool) {
	if (!document.all) {
		if (document.MapForm) document.MapForm.PanTool.value = obj;
	} else {
		obj = eval(obj);
		if (window.event.srcElement) if (window.event.srcElement.tagName == "INPUT") return;
		if (activeTool) {
			activeTool.bgColor = "ababab";
			activeTool.style.color = "ababab";
		}
		activeTool = obj;
		obj.bgColor = "ababab";
		obj.style.color = "ababab";

	}
}




function MM_findObj(n, d) { //v3.0
  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); return x;
}

/* Functions that swaps images. */
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
/* Functions that swaps down images. */
function MM_nbGroup(event, grpName) { //v3.0
  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];
      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") {
    if ((nbArr = document[grpName]) != null)
      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];
      nbArr[nbArr.length] = img;
  } }
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}