// JavaScript Document

//form validate

function formCheck(formobj){
	// Enter name of mandatory fields
	var fieldRequired = Array("name", "organisation", "telephone", "email");
	// Enter field description to appear in the dialog box
	var fieldDescription = Array("Name", "Organisation", "Telephone", "Email");
	// dialog message
	var alertMsg = "Please complete the following fields:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
			}
			if (obj.type == undefined){
				var blnchecked = false;
				for (var j = 0; j < obj.length; j++){
					if (obj[j].checked){
						blnchecked = true;
					}
				}
				if (!blnchecked){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}


//email validation

var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i

function checkmail(e){
var returnval=emailfilter.test(e.value)
if (returnval==false){
alert("Please enter a valid email address.")
e.select()
}
return returnval
}



// 26-09-2007 by Harry
function toggle_collapse(objname)
{
	obj = findobj(objname);
	collapsed = getcookie("cnibs_collapse");
	cookie_start = collapsed ? collapsed.indexOf(objname) : -1;
	cookie_end = cookie_start + objname.length + 1;
	
	if(obj.style.display == "none")
	{
	obj.style.display = "";
	if(cookie_start != -1) collapsed = collapsed.substring(0, cookie_start) + collapsed.substring(cookie_end, collapsed.length);
	} else
	{
		obj.style.display = "none";
		if(cookie_start == -1) collapsed = collapsed + objname + " ";
	}
	expires = new Date();
	expires.setTime(expires.getTime() + (collapsed ? 86400 * 30 : -(86400 * 30 * 1000)));
	document.cookie = "cnibs_collapse=" + escape(collapsed) + "; expires=" + expires.toGMTString() + "; path=/";
	}

function findobj(n, d)
{
	var p, i, x;
	if(!d) d = document;
	if((p = n.indexOf("?"))>0 && parent.frames.length) {
		d = parent.frames[n.substring(p + 1)].document;
		n = n.substring(0, p);
	}
	if(x != d[n] && d.all) x = d.all[n];
	for(i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
	for(i = 0; !x && d.layers && i < d.layers.length; i++) x = findobj(n, d.layers[i].document);
	if(!x && document.getElementById) x = document.getElementById(n);
	return x;
}
function getcookie(name)
{
	var cookie_start = document.cookie.indexOf(name);
	var cookie_end = document.cookie.indexOf(";", cookie_start);
	return cookie_start == -1 ? '' : unescape(document.cookie.substring(cookie_start + name.length + 1, (cookie_end > cookie_start ? 	cookie_end : document.cookie.length)));
}	


// 08-10-2007 by Harry
function checkMe(objform,objname1,objname2)
{

	var obj2 = objform.objname2;
	var obj1 = objform.objname1;
	
	for(i=0;i<document.getElementsByName(objname1).length;i++)
	 {
		if(document.getElementsByName(objname1)[i].checked)
		{
			document.getElementsByName(objname2)[i].style.display = "";
			//alert("dd");
		}
		else
			document.getElementsByName(objname2)[i].style.display = "none";
		document.getElementsByName("demo_dates")[i].value = "";
	}	
}