/* replaces similar functions in front.js */
	function changeImage(elementId, nameImage, onOrOff)
	{
	    if (document != null && document.getElementById(elementId) != null)
	    {
		    pathParts = document.getElementById(elementId).src.split('/');
		    pathParts[pathParts.length-1] = null;
		    pathParts = pathParts.join('/');
		    document.getElementById(elementId).src = pathParts + nameImage+'_'+onOrOff+'.gif';
	    }
	}
	function changeImagePNG(item, nameImage, onOrOff)
	{
	 	pathParts = document.getElementById(elementId).src.split('/');
		pathParts[pathParts.length-1] = null;
		pathParts = pathParts.join('/');
		item.src = pathParts+nameImage+'_'+onOrOff+'.png';
	
	}
	function changeImageJPG(elementId, nameImage, onOrOff)
	{
		pathParts = document.getElementById(elementId).src.split('/');
		pathParts[pathParts.length-1] = null;
		pathParts = pathParts.join('/');
		document.getElementById(elementId).src = pathParts + nameImage+'_'+onOrOff+'.jpg';
	
	}