document.getElementsByClassName = function(cl) {
var retnode = [];
var myclass = new RegExp('\\b'+cl+'\\b');
var elem = this.getElementsByTagName('*');
for (var i = 0; i < elem.length; i++) {
var classes = elem[i].className;
if (myclass.test(classes)) retnode.push(elem[i]);
}
return retnode;
};


function toggleDisplay(d,p,v)	// div/object; position anchor object; vertical offset
{
	
	
	var toggleItems = document.getElementsByClassName(document.getElementById(d).className);
	for (i=0;i<toggleItems.length;i++)
	{
		if (toggleItems[i].id!=d)
		{
			document.getElementById(toggleItems[i].id).style.display = "none";
		}
	}

	if (document.getElementById(d))
	{
		if ((p)&&(v))
		{
			var posLeft = document.getElementById(p).offsetLeft;
			var posTop = document.getElementById(p).offsetTop + v;
			document.getElementById(d).style.left = posLeft.toString(10) + "px";
			document.getElementById(d).style.top = posTop.toString(10) + "px";
		}
		var dv = document.getElementById(d).style.display;
		if (dv=="none")
		{
			document.getElementById(d).style.display = "block";
		}
		else
		{
			document.getElementById(d).style.display = "none";
		}
	}
}






function toggleVisibility(d,p,v)	// div/object; position anchor object; vertical offset
{
	
	

	if (document.getElementById(d))
	{
		if ((p)&&(v))
		{
			var posLeft = document.getElementById(p).offsetLeft;
			var posTop = document.getElementById(p).offsetTop + v;
			document.getElementById(d).style.left = posLeft.toString(10) + "px";
			document.getElementById(d).style.top = posTop.toString(10) + "px";
		}
		var dv = document.getElementById(d).style.display;
		if (dv=="none")
		{
			document.getElementById(d).style.display = "block";
		}
		else
		{
			document.getElementById(d).style.display = "none";
		}
	}
}















function checkAll(field)
{
for (i = 0; i < field.length; i++)
	if(field[i].checked == false)
	field[i].checked = true ;
	else
	field[i].checked = false;
}

function getElementsByClass(searchClass,node,tag)
{
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}