function findPosX(obj){
	var curleft = 0;
	if(obj.offsetParent)
		while(1) 
		{
		  curleft += obj.offsetLeft;
		  if(!obj.offsetParent)
			break;
		  obj = obj.offsetParent;
		}
	else if(obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj){
	var curtop = 0;
	if(obj.offsetParent)
		while(1)
		{
		  curtop += obj.offsetTop;
		  if(!obj.offsetParent)
			break;
		  obj = obj.offsetParent;
		}
	else if(obj.y)
		curtop += obj.y;
	return curtop;
}

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_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_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];}
}

/*******************************************************************************/
/*                           Miscellaneous Functions                           */
/*******************************************************************************/

// This function checks to see if a selection was made in a checkbox group
function cbxSelectionMade(cbx){
	var isGood=false;
	if(cbx.checked){
		isGood=true;
	}
	for(i=0;i<cbx.length && !isGood;i++){
		if(cbx[i].checked){
			isGood=true;
		}
	}
	return isGood;
}

// This function checks to see if a selection was made in a dropdown box
function cboSelectionMade(cbo){
	var isGood=false;
	
	if(cbo.options[cbo.selectedIndex].value!="")
		isGood=true;
		
	return isGood;
}

// This function is used to validate email entries
function isValidEmail(thisEmail){
	var emailexp = /.*\@.*\..*/;
	if (!emailexp.test(thisEmail)) {
		return false;
	} 
	return true;
}

// function checks a date value to make sure its valid
function isValidDate(aDate) {
	var dateexp = /^(\d{1,2}\/\d{1,2}\/\d{4})$/;
    if (!dateexp.test(aDate)) { return false; } 	
	var	temp = new String(aDate), m = 0, d = 0;
	
	for (i=0; i < temp.length; i++){ 
		var str = temp.charAt(i); 
		if (str == "/") { if (m == 0) { m = i; } else { d = i; break; }}			
	}
	
	var month = parseInt(temp.substring(0, m), 10);
	var day = parseInt(temp.substring(m + 1, d), 10); 
	var year = parseInt(temp.substring(d + 1, temp.length), 10);								
					
	switch (month) {
		case 1:	case 3:	case 5:	case 7:	case 8:	case 10: case 12:					
			if ((day < 1) || (day > 31)) {  return false;	} break;
		case 2:		
			if ((year % 400 == 0) || (year % 4 == 0)) {	if ((day < 1) || (day > 29)) {  return false;	} break}
			if ((day < 1) || (day > 28)) {  return false; } break;
		case 4:	case 6:	case 9: case 11:
			if ((day < 1) || (day > 30)) {	 return false; } break;
		default: return false;			
	}		
	return true;		
}

var subMnus="";
									
function showMenu(idx,li){
	var subleftoffset=findPosX(document.getElementById("image12"));
	var sublefts=new Array(5);
	sublefts[0]=subleftoffset;
	sublefts[1]=sublefts[0]+130;
	sublefts[2]=sublefts[1]+191;
	sublefts[3]=sublefts[2]+160;
	sublefts[4]=sublefts[3]+141;
	try{
		hideAllMenu();
		var dv=document.getElementById("sub"+idx);
		dv.style.left=sublefts[li];
		dv.style.top=161;
		dv.style.visibility="visible";
	}
	catch(e){}
}

function hideAllMenu(){
	try{
		var ar=subMnus.split(',');
		for(i=0;i<ar.length;i++){
			var dv=document.getElementById("sub"+ar[i]);
			dv.style.visibility="hidden";
		}
	}
	catch(e){}
}

// This function checks to see if all needed fields are valid for blog emailer
function validateBlogEmail(thisForm){	
	if(thisForm.from.value==""){
		alert("You must provide a name to identify who sent this link!");
		thisForm.from.focus();
		return false;
	}	
	if(thisForm.email.value==""||!isValidEmail(thisForm.email.value)){
		alert("You must provide a valid email address to send this link to!");
		thisForm.email.focus();
		return false;
	}
	
	return true;
}

// This function checks to see if all needed fields are valid for blog comment
function validateBlogComment(thisForm){	
	if(thisForm.cText.value==""){
		alert("You must provide a comment for submission!");
		thisForm.cText.focus();
		return false;
	}
	
	return true;
}

// This function is for validating BlogTitle submissions
function validateBlogTitle(thisForm){
	if(thisForm.bTitle.value==""){
		alert("You must provide a title for the blog!");
		thisForm.bTitle.focus()
		return false
	}
	if(thisForm.bText.value==''){
		alert("You must provide the first post for the blog!");
		return false
	}
	
	return true;
}