function checkFormValue(formValue,msg) {
	if(formValue == '' || formValue == 0 || formValue == null) {
		if(msg != '') alert(msg);
		return false;
	} else return true;
}

function switchCheckboxes(formName,newStatus) {
	for(var i=0;i<document.forms[formName].length;++i) {
		if(document.forms[formName].elements[i].type == "checkbox") {
			document.forms[formName].elements[i].checked = newStatus;
		}
	}
	return true;
}


function setValueAndSubmit(formName, elementName, newValue) {
	document.forms[formName].elements[elementName].value = newValue;
	document.forms[formName].submit();	
}

function openWindow(URL, width, Height) {	
	wnd = window.open(URL,"Window","width="+width+", height="+Height+",scrollbars=yes,dependent=yes,resizable=yes");
	wnd.focus();
	return true;
}


function setImage(imageName, newSrc) {
	return document.images[imageName].src = newSrc;
}

function toggleCheckboxes(masterBox, formName) {	
	return switchCheckboxes(formName, masterBox.checked);	
}

function queryconfirm(queryurl,querytext) 
{
	var queryparts = querytext.split("<br>");
	var new_querytext = "";
	for(i=0;i<queryparts.length;i++) {
		new_querytext += "\n"+queryparts[i];
	}
	//new_querytext = new_querytext;
	Check = confirm(new_querytext);
	if(Check == true) document.location.href = queryurl;
}