function clickOn (form,field,label) {
	var fieldvalue = document.forms[form].elements[field].value;
	if (fieldvalue==label) {
		document.forms[form].elements[field].value = '';
	} else if (fieldvalue=='') {
		document.forms[form].elements[field].value = label;
	}
}

function block (cssid) {
	if ($(cssid).getStyle('display')=='block') {
		$(cssid).setStyle('display')='none';
	} else {
		$(cssid).setStyle('display')='block';
	}
}

// confirm that a user wants to carry on (often used to give users a breather before deleting an item)
function confirmSubmit(message) {
	if (!message) {
		message = "Are you sure you wish to continue?";
	} 
	var agree=confirm(message);
	
	if (agree) {
		return true;
	} else {
		return false;
	}
}

//// AJAH

function jah(url,target,who) {
	if (who=='opener') {
		window.opener.document.getElementById(target).innerHTML = '<span class="jah_waiting">loading...</span>';
	} else if (who=='parentopener') {
		window.parent.opener.document.getElementById(target).innerHTML = '<span class="jah_waiting">loading...</span>';
	} else {
		document.getElementById(target).innerHTML = '<span class="jah_waiting">loading...</span>';
	}
   
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
        req.onreadystatechange = function() {jahDone(target,who);};
        req.open("GET", url, true);
        req.send(null);
    // IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = function() {jahDone(target,who);};
            req.open("GET", url, true);
            req.send();
        }
    }
}    

function jahDone(target,who) {
    // only if req is "loaded"
    if (req.readyState == 4) {
        // only if "OK"
        if (req.status == 200) {
            results = req.responseText;
			if (who=='opener') {
				window.opener.document.getElementById(target).innerHTML = results;
			} else if (who=='parentopener') {
				window.parent.opener.document.getElementById(target).innerHTML = results;
			} else {
				document.getElementById(target).innerHTML = results;
			}
        } else {
			if (who=='opener') {
				window.opener.document.getElementById(target).innerHTML = "jah error:\n" +
                req.statusText;
			} else if (who=='parentopener') {
				window.parent.opener.document.getElementById(target).innerHTML = "jah error:\n" +
                req.statusText;
			} else {
				document.getElementById(target).innerHTML = "jah error:\n" +
                req.statusText;
			}
        }
    }
	if (who=='opener' || who=='parentopener') {
    	var setfunction = 'parent.close()';
    	hideDelay = setTimeout(setfunction,2000);
    }
}


// COMODO SITE CERTIFICATE

var cot_loc0=(window.location.protocol == "https:")? "https://secure.comodo.net/trustlogo/javascript/cot.js" :
	"http://www.trustlogo.com/trustlogo/javascript/cot.js";
	document.writeln('<scr' + 'ipt language="JavaScript" src="'+cot_loc0+'" type="text\/javascript">' + '<\/scr' + 'ipt>');