// Cookie handling
function setCookie ( sName, sValue, nDays ) {
	var expires = "";
	if ( nDays ) {
		var d = new Date();
		d.setTime( d.getTime() + nDays * 24 * 60 * 60 * 1000 );
		expires = "; expires=" + d.toGMTString();
	}

	document.cookie = sName + "=" + sValue + expires + "; path=/";
};

function getCookie (sName) {
	var re = new RegExp( "(\;|^)[^;]*(" + sName + ")\=([^;]*)(;|$)" );
	var res = re.exec( document.cookie );
	return res != null ? res[3] : null;
};

function removeCookie ( name ) {
	setCookie( name, "", -1 );
};



/* Form validation for dates */
function validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		alert('Please enter a value for the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}
	
	return result;
}

function allDigits(str)
{
	return inValidCharSet(str,"0123456789");
}

function inValidCharSet(str,charset)
{
	var result = true;

	// Note: doesn't use regular expressions to avoid early Mac browser bugs	
	for (var i=0;i<str.length;i++)
		if (charset.indexOf(str.substr(i,1))<0)
		{
			result = false;
			break;
		}
	
	return result;
}

function validDate(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if ((result) && (formField.value.length > 0))
 	{
 		var elems = formField.value.split("/");
 		
 		result = (elems.length == 3); // should be three components
 		if (result)
 		{
 			var month = parseInt(elems[0],10);
  			var day = parseInt(elems[1],10);
 			var year = parseInt(elems[2],10);
		   result = allDigits(elems[0]) && (month > 0) && (month < 13) &&
    		         allDigits(elems[1]) && (day > 0) && (day < 32) &&
				      allDigits(elems[2]) && ((elems[2].length == 2) || (elems[2].length == 4));
 		}
 		
  		if (!result)
 		{
 			alert('Please enter a valid date in the format MM/DD/YYYY for the "' + fieldLabel +'" field.');
			formField.focus();		
		}
	} 
	
	return result;
}


//++++++++++++++++++++++++++++++
//   Pop-Up Message Script     +
//++++++++++++++++++++++++++++++
function MM_popupMsg(msg) { //v1.0
  alert(msg);
}


//++++++++++++++++++++++++++++++
//  Pop-Up Window Script       +
//++++++++++++++++++++++++++++++
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


//++++++++++++++++++++++++++++++
//   Roll-Over Images Script   +
//++++++++++++++++++++++++++++++
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//++++++++++++++++++++++++++++++++++
//   Toggle Class/Display Script   +
//++++++++++++++++++++++++++++++++++
function dwfaq_getCSSPropertyValue(obj,cP,jP){//v1.0 
//Copyright © 2004 Angela C. Buraglia & DWfaq.com
//All Rights Reserved. Not for distribution. support@dwfaq.com
//Support Newsgroup: news://support.dwfaq.com/support
	if(typeof(obj)!='object'){var obj=document.getElementById(obj);}
	if(typeof(obj.currentStyle)!='object'){
		return (typeof(document.defaultView)=='object')?
		document.defaultView.getComputedStyle(obj,'').getPropertyValue(cP):
		obj.style.getPropertyValue(cP);}
	else{
		return (navigator.appVersion.indexOf('Mac')!=-1)?
		obj.currentStyle.getPropertyValue(cP):
		obj.currentStyle.getAttribute((jP)?jP:cP);}
}

function dwfaq_ToggleOMaticDisplay(){//v1.0
//Copyright © 2004 Angela C. Buraglia & DWfaq.com
//All Rights Reserved. Not for distribution. support@dwfaq.com
//Support Newsgroup: news://support.dwfaq.com/support
	var obj,cS,args=dwfaq_ToggleOMaticDisplay.arguments;document.MM_returnValue=(typeof(args[0].href)!='string')?true:false;
	for(var i=1;i<args.length;i++){obj=document.getElementById(args[i]);
		if(obj){cS=dwfaq_getCSSPropertyValue(obj,'display');
			if(!obj.dwfaq_OD){obj.dwfaq_OD=(cS!='none'&&cS!='')?cS:(obj.tagName.toUpperCase()=='TR' && cS!=='none')?'':
			(obj.tagName.toUpperCase()=='TR' && typeof(obj.currentStyle)!='object')?'table-row':'block';}
			obj.style.display=(cS!='none')?'none':obj.dwfaq_OD}}
}