//switch image url
	function selectBox_switchImageUrl()
	{
		if(this.src.indexOf(arrowImage)>=0){
			this.src = this.src.replace(arrowImage,arrowImageOver);	
		}else{
			this.src = this.src.replace(arrowImageOver,arrowImage);
		}
	}
	//show select options
	function selectBox_showOptions()
	{
		if(editableSelect_activeArrow && editableSelect_activeArrow!=this){
			editableSelect_activeArrow.src = arrowImage;
		}
		editableSelect_activeArrow = this;
		var numId = this.id.replace(/[^\d]/g,'');
		var optionDiv = document.getElementById('selectBoxOptions' + numId);
		if(optionDiv.style.display=='block'){
			optionDiv.style.display='none';
			if(navigator.userAgent.indexOf('MSIE')>=0)document.getElementById('selectBoxIframe' + numId).style.display='none';
			this.src = arrowImageOver;	
		}else{			
			optionDiv.style.display='block';
			if(navigator.userAgent.indexOf('MSIE')>=0)document.getElementById('selectBoxIframe' + numId).style.display='block';
			this.src = arrowImageDown;	
			if(currentlyOpenedOptionBox && currentlyOpenedOptionBox!=optionDiv)currentlyOpenedOptionBox.style.display='none';	
			currentlyOpenedOptionBox= optionDiv;			
		}
	}
	//select option value
	function selectOptionValue()
	{
		var parentNode = this.parentNode.parentNode;
		var textInput = parentNode.getElementsByTagName('INPUT')[0];
		textInput.value = this.innerHTML;	
		this.parentNode.style.display='none';	
		document.getElementById('arrowSelectBox' + parentNode.id.replace(/[^\d]/g,'')).src = arrowImageOver;
		
		if(navigator.userAgent.indexOf('MSIE')>=0)document.getElementById('selectBoxIframe' + parentNode.id.replace(/[^\d]/g,'')).style.display='none';
		
	}
	//highlights option
	function highlightSelectBoxOption()
	{
		if(this.style.backgroundColor=='#316AC5'){
			this.style.backgroundColor='';
			this.style.color='';
		}else{
			this.style.backgroundColor='#316AC5';
			this.style.color='#FFF';			
		}	
		
		if(activeOption){
			activeOption.style.backgroundColor='';
			activeOption.style.color='';			
		}
		activeOption = this;
		
	}
	function createEditableSelect(dest)
	{
		dest.className='selectBoxInput';		
		var div = document.createElement('DIV');
		div.style.styleFloat = 'left';
		div.style.width = dest.offsetWidth + 'px';
		div.style.position = 'relative';
		div.id = 'selectBox' + selectBoxIds;
		var parent = dest.parentNode;
		parent.insertBefore(div,dest);
		div.appendChild(dest);	
		div.className='selectBox';
		div.style.zIndex = 100 - selectBoxIds;
		var img = document.createElement('IMG');
		img.src = arrowImage;
		img.className = 'selectBoxArrow';
		//assign handlers
		img.onmouseover = selectBox_switchImageUrl;
		img.onmouseout = selectBox_switchImageUrl;
		img.onclick = selectBox_showOptions;
		img.id = 'arrowSelectBox' + selectBoxIds;
        img.style.width = '30px';
		div.appendChild(img);
		var optionDiv = document.createElement('DIV');
		optionDiv.id = 'selectBoxOptions' + selectBoxIds;
		optionDiv.className='selectBoxOptionContainer';
		optionDiv.style.width = div.offsetWidth-2 + 'px';
		div.appendChild(optionDiv);
		if(navigator.userAgent.indexOf('MSIE')>=0){
			var iframe = document.createElement('<IFRAME src="about:blank" frameborder=0>');
			iframe.style.width = optionDiv.style.width;
			iframe.style.height = optionDiv.offsetHeight + 'px';
			iframe.style.display='none';
			iframe.id = 'selectBoxIframe' + selectBoxIds;
			div.appendChild(iframe);
		}
		if(dest.getAttribute('selectBoxOptions')){
			var options = dest.getAttribute('selectBoxOptions').split(';');
			var optionsTotalHeight = 0;
			var optionArray = new Array();
			for(var no=0;no<options.length;no++){
				var anOption = document.createElement('DIV');
				anOption.innerHTML = options[no];
				anOption.className='selectBoxAnOption';
				anOption.onclick = selectOptionValue;
				anOption.style.width = optionDiv.style.width.replace('px','') - 2 + 'px'; 
				anOption.onmouseover = highlightSelectBoxOption;
				optionDiv.appendChild(anOption);	
				optionsTotalHeight = optionsTotalHeight + anOption.offsetHeight;
				optionArray.push(anOption);
			}
			if(optionsTotalHeight > optionDiv.offsetHeight){				
				for(var no=0;no<optionArray.length;no++){
					optionArray[no].style.width = optionDiv.style.width.replace('px','') - 22 + 'px'; 	
				}	
			}		
			optionDiv.style.display='none';
			optionDiv.style.visibility='visible';
		}
		
		selectBoxIds = selectBoxIds + 1;
	}

    // Path to arrow images
    var arrowImage = 'images/select_arrow.gif';	// Regular arrow
    var arrowImageOver = 'images/select_arrow.gif';	// Mouse over
    var arrowImageDown = 'images/select_arrow.gif';	// Mouse down
    var selectBoxIds = 0;
    var currentlyOpenedOptionBox = false;
    var editableSelect_activeArrow = false;
    var activeOption;