function clearField(fieldId)
{
	fieldObj = parent.document.getElementById(fieldId);	

	fieldObj.value = "";
	
}


function hov(loc,cls)
{
   if(loc.className)
      loc.className=cls;
}


function addImgBorder(which,color)
{
	if (document.all||document.getElementById){
		which.style.borderColor=color
	}
}


function jw_preload_img()
{ 
  var img_list = jw_preload_img.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length-1; i++) {
    document.preloadlist[top+i] = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  } 
}

function jw_change_img_src(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

function jw_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}


function collapseElem(obj)
{
	var el = document.getElementById(obj);
	el.style.display = 'none';
}


function expandElem(obj)
{
	var el = document.getElementById(obj);
	el.style.display = '';
}

// collapse all elements, except the first one
function collapseAll()
{
	var numFormPages = 1;
	for(i=2; i <= numFormPages; i++)
	{
		currPageId = ('mainForm_' + i);
		collapseElem(currPageId);
	}
}


function validateField(fieldId, fieldBoxId, fieldType, required)
{
	fieldBox = document.getElementById(fieldBoxId);
	fieldObj = document.getElementById(fieldId);

	if(fieldType == 'text'  ||  fieldType == 'textarea'  ||  fieldType == 'password'  ||  fieldType == 'file'  ||  fieldType == 'phone'  || fieldType == 'website')
	{	
		if(required == 1 && fieldObj.value == '')
		{
			fieldObj.setAttribute("class","mainFormError");
			fieldObj.setAttribute("className","mainFormError");
			fieldObj.focus();
			return false;					
		}

	}
	else if(fieldType == 'menu'  || fieldType == 'country'  || fieldType == 'state')
	{	
		if(required == 1 && fieldObj.selectedIndex == 0)
		{				
			fieldObj.setAttribute("class","mainFormError");
			fieldObj.setAttribute("className","mainFormError");
			fieldObj.focus();
			return false;					
		}

	}
	else if(fieldType == 'email')
	{	
		if((required == 1 && fieldObj.value=='')  ||  (fieldObj.value!=''  && !validate_email(fieldObj.value)))
		{				
			fieldObj.setAttribute("class","mainFormError");
			fieldObj.setAttribute("className","mainFormError");
			fieldObj.focus();
			return false;					
		}

	}



}


function validate_email(emailStr)
{		
	apos=emailStr.indexOf("@");
	dotpos=emailStr.lastIndexOf(".");

	if (apos<1||dotpos-apos<2) 
	{
		return false;
	}
	else
	{
		return true;
	}
}


function validateDate(fieldId, fieldBoxId, fieldType, required,  minDateStr, maxDateStr)
{
	retValue = true;

	fieldBox = document.getElementById(fieldBoxId);
	fieldObj = document.getElementById(fieldId);	
	dateStr = fieldObj.value;


	if(required == 0  && dateStr == '')
	{
		return true;
	}


	if(dateStr.charAt(2) != '/'  || dateStr.charAt(5) != '/' || dateStr.length != 10)
	{
		retValue = false;
	}
	else	// format's okay; check max, min
	{
		currDays = parseInt(dateStr.substr(0,2),10) + parseInt(dateStr.substr(3,2),10)*30  + parseInt(dateStr.substr(6,4),10)*365;
		//alert(currDays);

		if(maxDateStr != '')
		{
			maxDays = parseInt(maxDateStr.substr(0,2),10) + parseInt(maxDateStr.substr(3,2),10)*30  + parseInt(maxDateStr.substr(6,4),10)*365;
			//alert(maxDays);
			if(currDays > maxDays)
				retValue = false;
			}

			if(minDateStr != '')
			{
				minDays = parseInt(minDateStr.substr(0,2),10) + parseInt(minDateStr.substr(3,2),10)*30  + parseInt(minDateStr.substr(6,4),10)*365;
				//alert(minDays);
				if(currDays < minDays)
					retValue = false;
				}
			}

			if(retValue == false)
			{
				fieldObj.setAttribute("class","mainFormError");
				fieldObj.setAttribute("className","mainFormError");
				fieldObj.focus();
				return false;
		}
}


function validatePage1()
{
	retVal = true;
	if (validateField('message','messageBox','textarea',1) == false)
		retVal=false;
	if (validateField('subject','subjectBox','text',0) == false)
		retVal=false;
	if (validateField('phone','phoneBox','phone',0) == false)
		retVal=false;
	if (validateField('emailAddr','emailAddrBox','email',1) == false)
		retVal=false;
	if (validateField('name','nameBox','text',1) == false)
		retVal=false;
				
							

	if(retVal == false)
	{
		alert('Please correct the errors.  Fields marked with an asterisk (*) are required');
		return false;
	}
	return retVal;
}




function validateMailingListAddr()
{
	retVal = true;
	
	if (validateField('mailingListEmailAddr','emailAddrBox','email',1) == false)
		retVal=false;
					

	if(retVal == false)
	{
		alert('Invalid E-Mail Format. Please correct E-Mail Address.');
		return false;
	}
	
	
	return retVal;
}