function getElementsByTagname(PARENTNODE,TAGNAME)
{
	var elems = PARENTNODE.getElementsByTagName(TAGNAME);
	var taglist = new Array();
	
	var ii = 0;
	for (var i = 0; i < elems.length; i++)
	{
		if(elems[i].id != '')
		{
			taglist[ii] = elems[i].id;
			ii ++;
		}
	}
	return taglist;

}
function $(id)
{
	if(tmp = document.getElementById(id)) return tmp;
	else if(tmp = document.getElementsByName(id)) return tmp[0];
	else return false;
}
function fnGetObject(elemID)
{
	return $(elemID)
}

function calhint(i)
{
	if(i == 1)
	{
		if(!$('formdate').value)
		{
			$('formdate').style.backgroundImage = 'url()';
		}
	}
	else
		$('formdate').style.backgroundImage = 'url()';
}

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_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];}
}
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;
}

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];}}
}

function divToggle(Id){
	targeta = fnGetObject(Id);
	if (targeta.style.display == "none"){
		targeta.style.display = "";
	}else{
		targeta.style.display = "none";
	}
}







// ------------------- overlay
//
function showLightbox(lbContents, lbW, lbH)
{
	var objOverlay = document.getElementById('overlay');
	var objLightbox = document.getElementById('lightbox');
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';

	objLightbox.innerHTML = lbContents;
	objLightbox.style.width = lbW;
	objLightbox.style.height = lbH;
	
	var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - lbH) / 2);
	var lightboxLeft = ((arrayPageSize[0] - 20 - lbW) / 2);
	
	objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";

	if (navigator.appVersion.indexOf("MSIE")!=-1){
	} 

	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "hidden";
	}
	objects = document.getElementsByTagName("object");
	for (i = 0; i != objects.length; i++) {
		objects[i].style.visibility = "hidden";
	}
	
	
	objLightbox.style.display = 'block';

	arrayPageSize = getPageSize();
	objOverlay.style.height = (arrayPageSize[1] + 'px');
}


//
// hideLightbox()
//
function hideLightbox()
{
	// get objects
	objOverlay = document.getElementById('overlay');
	objLightbox = document.getElementById('lightbox');

	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objLightbox.style.display = 'none';
	objLightbox.innerHTML = '';


	// make select boxes visible
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
	objects = document.getElementsByTagName("object");
	for (i = 0; i != objects.length; i++) {
		objects[i].style.visibility = "visible";
	}
}












// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}



//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}

function opacity(id, opacStart, opacEnd, millisec)
{ 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 
    
	if(opacEnd == (document.getElementById(id).style.opacity * 100)) return false;
    if(opacStart > opacEnd)
    { 
        for(i = opacStart; i >= opacEnd; i--) { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    }
    else if(opacStart < opacEnd)
    { 
        for(i = opacStart; i <= opacEnd; i++) { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    }
} 
function changeOpac(opacity, id)
{ 
    var object = document.getElementById(id).style; 
    object.opacity = (opacity / 100); 
    object.MozOpacity = (opacity / 100); 
    object.KhtmlOpacity = (opacity / 100); 
    object.filter = "alpha(opacity=" + opacity + ")"; 
    object.display = '';
}