function verify_images() {
	for (var i = 0; i < document.images.length; i++) {
		img = document.images[i];
		if (img.src.indexOf(url_site) == -1) {
			w = img.width;
			h = img.height;
			if ((w == 1) || (h == 1) || ((img.complete != null) && (!img.complete))) { img.src = 'http://'+url_site+'/images/no_image.gif'; }
		}
	}
}

function checkUncheckAll(theElement) {
	var theForm = theElement.form;
	for(z=0; z < theForm.elements.length; z++) {
		if(theForm.elements[z].type == 'checkbox' && theForm.elements[z].name != 'checkall') {
			theForm.elements[z].checked = theElement.checked;
		}
	}
}

function changeDiv(displayText) {
	if (document.all)
		document.all['centreWorkingMessage'].innerHTML  = displayText;
	else if (document.getElementById && document.getElementById('centreWorkingMessage') != null)
		document.getElementById('centreWorkingMessage').innerHTML  = displayText;
	else if (document.layers && document.layers['centreWorkingMessage'] != null)
		document.layers['centreWorkingMessage'].innerHTML  = displayText;
}

function showhideCollapse(id, content_show) {
	if(content_show) {
			if (document.getElementById && document.getElementById(id) != null)
				node = document.getElementById(id).style.display='block';
			else if (document.layers && document.layers[id] != null)
				document.layers[id].visibility = 'visible';
			else if (document.all)
				document.all[id].style.visibility = 'visible';
	}
	else {
    	if (document.getElementById && document.getElementById(id) != null)
				node = document.getElementById(id).style.display='none';
    	else if (document.layers && document.layers[id] != null)
				document.layers[id].visibility = 'hidden';
    	else if (document.all)
				document.all[id].style.visibility = 'hidden';
	}
}