var prev=0;
 var hact=0; 
 var act=0; 

 
		function clear_field(field)
		{
		    if (field.value==field.defaultValue)
		    {
		        field.value=''
		    }
		}
		function check_field(field)
		{
		    if (field.value=='' ||
		    field.value==' ')
		    {
		        field.value=field.defaultValue
		    }
		} 
 
 
function setLyr(obj,lyr)
{
	var newX = findPosX(obj);
	var newY = findPosY(obj);
	var x = new getObj(lyr);
	x.style.top = newY + 20 + 'px';
	x.style.left = newX + 'px';
}

function getObj(name)
{
 if (document.getElementById)
 {
	   this.obj = document.getElementById(name);
	   this.style = document.getElementById(name).style;
 }
 else if (document.all)
 {
	   this.obj = document.all[name];
	   this.style = document.all[name].style;
 }
 else if (document.layers)
 {
	   if (document.layers[name])
	   {
	   	this.obj = document.layers[name];
	   	this.style = document.layers[name];
	   }
	   else
	   {
	    this.obj = document.layers.testP.layers[name];
	    this.style = document.layers.testP.layers[name];
	   }
 }
}
 function menuhide(menunum, act, hact)
  {
  if (act==0)
  {
  if (hact!=menunum)
  	{
    var currentmenu = document.getElementById("navbody" + menunum);
	var hmenu =document.getElementById("nhd" + menunum);
    currentmenu.style.visibility = 'hidden';
    hmenu.style.color = '#0075C5';
  	}
  }
  }

  function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}


  function menushow(menunum, prev)
  {
    
  	var currentmenu = document.getElementById("navbody" + menunum);
    var hmenu =document.getElementById("nhd" + menunum);
    if (prev!=0)
    {
    var prevmenu = document.getElementById("navbody" + prev);
    var phmenu =document.getElementById("nhd" + prev);
    prevmenu.style.visibility = 'hidden';
    phmenu.style.color = '#0075C5';
    }
    currentmenu.style.visibility = 'visible';
    hmenu.style.color = '#FBB27B';
  }
  
	 function menushow_c(menunum, prev)
  {
    
  	var currentmenu = document.getElementById("navbody" + menunum);
    var hmenu =document.getElementById("nhd" + menunum);
    if (prev!=0)
    {
    var prevmenu = document.getElementById("navbody" + prev);
    var phmenu =document.getElementById("nhd" + prev);
    prevmenu.style.visibility = 'hidden';
    phmenu.style.color = '#0075C5';
    }
    hmenu.style.color = '#FBB27B';
  }	
		
function test (prev, hact, act)
	{
	return "prev: "+prev+"<br>"+"hact: "+hact+"<br>"+"act: "+act+"<br>";
	}