function mover(subname,na) {
	document.getElementById(subname).src='/images/menu/line_on.gif';		//line on state
	// on state for main menu on sub rollover
	if (na != "na") {
		if ((subname == "sub1") || (subname == "sub2") || (subname == "sub3") || (subname == "sub4") || (subname == "sub9")) {
			document.getElementById('portfolio').src='/images/menu/portfolio_on.gif';	
		}
		else if ((subname == "sub5") || (subname == "sub6")) {
			document.getElementById('aboutus').src='/images/menu/aboutus_on.gif';	
		}
		else if ((subname == "sub7") || (subname == "sub8")) {
			document.getElementById('sales').src='/images/menu/sales_on.gif';	
		}
	}
}

function mout(subname,na) {
	document.getElementById(subname).src='/images/menu/line_off.gif';	//line off state
	// off state for main menu on sub rollover
	if (na != "na") {
		if ((subname == "sub1") || (subname == "sub2") || (subname == "sub3") || (subname == "sub4") || (subname == "sub9")) {
			document.getElementById('portfolio').src='/images/menu/portfolio_off.gif';	
		}
		else if ((subname == "sub5") || (subname == "sub6") || (subname == "sub7")) {
			document.getElementById('aboutus').src='/images/menu/aboutus_off.gif';	
		}
		else if ((subname == "sub7") || (subname == "sub8")) {
			document.getElementById('sales').src='/images/menu/sales_off.gif';	
		}
	}
}

function mainover(subname) {
		document.getElementById(subname).src='/images/menu/'+subname+'_on.gif';		//mainmenu on state
}
function mainout(subname) {
		document.getElementById(subname).src='/images/menu/'+subname+'_off.gif';		//mainmenu off state
}

function gotourl(value) {
	document.location.href = value+'.htm'
}

/*==========================*/
function Fade(objID,CurrentAlpha,TargetAlpha,steps){

          var obj = document.getElementById(objID);
          
          CurrentAlpha = parseInt(CurrentAlpha);
          if (isNaN(CurrentAlpha)){
               CurrentAlpha = parseInt(obj.style.opacity*100);
               if (isNaN(CurrentAlpha))CurrentAlpha=100;
          }
          
          var DeltaAlpha=parseInt((CurrentAlpha-TargetAlpha)/steps);
          var NewAlpha = CurrentAlpha - DeltaAlpha;
          
          obj.style.opacity = (NewAlpha / 100);
          obj.style.MozOpacity = obj.style.opacity;
          obj.style.filter = 'alpha(opacity='+NewAlpha+')';
          
          if (steps>1){
               setTimeout('Fade("'+objID+'",'+NewAlpha+','+TargetAlpha+','+(steps-1)+')', 50);
          }
}

/*==========================*/
function initImage() {
  imageId = 'thephoto';
  image = document.getElementById(imageId);
  setOpacity(image, 0);
  image.style.visibility = 'visible';
  fadeIn(imageId,0);
}

function setOpacity(obj, opacity) {
  opacity = (opacity == 100)?99.999:opacity;
  
  // IE/Win
  obj.style.filter = "alpha(opacity:"+opacity+")";
  
  // Safari<1.2, Konqueror
  obj.style.KHTMLOpacity = opacity/100;
  
  // Older Mozilla and Firefox
  obj.style.MozOpacity = opacity/100;
  
  // Safari 1.2, newer Firefox and Mozilla, CSS3
  obj.style.opacity = opacity/100;
}

function fadeIn(objId,opacity) {
  if (document.getElementById) {
    obj = document.getElementById(objId);
    if (opacity <= 100) {
      setOpacity(obj, opacity);
      opacity += 6;
      window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 100);
    }
  }
}

function nothing() {
	//do nothing	
}

function actual(objName,CName,CDesc) {
	window.setTimeout("swapimg('"+objName+"','"+CName+"','"+CDesc+"');",1000);
	
}

function swapimg(objName,CName,CDesc) {
	window.setTimeout('initImage(); document.getElementById(\'thephoto\').src=\'../images/lrg/'+objName+'.jpg\'; document.getElementById(\'coursedesc\').innerHTML=\'+CDesc+\'; document.getElementById(\'coursename\').innerHTML=\'+CName+\';',1000);
}
/*==========================*/