function isEmailAddress (string) {
    var addressPattern = /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;
    return addressPattern.test(string);
}
function validateUSZip(strValue) {
	var objRegExp  = /(^\d{5}$)|(^\d{5}-\d{4}$)/;
	return objRegExp.test(strValue);
}
function notEmptyStr(strValue) {
	var objRegExp  = /[^ \t\v\f\n\r]$/;
	return objRegExp.test(strValue);
}
function validateCreateForm(f) {
	var err ="";
	var requiredArr = Array("first_name","last_name","address","city","zip","phone");
	var requiredArrName = Array("First Name","Last Name","Address","City","Zip","Phone");
	if (isEmailAddress(f.email.value)==false) {
		err+="Your Email is invalid"+"\r\n";
	}
        if (f.password.value == "") {
          err+="Your Password is invalid"+"\r\n";
        } else if (f.password.value != f.verify_password.value) {
          err+="Both Passwords must match"+"\r\n";
        }
        if (f.business_type.value == '0') {
          err+="Please select a Type of Business"+"\r\n";
        }
        if (f.specialty.value == '0') {
          err+="Please select an Area of Specialty"+"\r\n";
        }
        if (f.state.value == '0') {
          err+="Please select a State"+"\r\n";
        }
        if (f.country.value == '0') {
          err+="Please select a Country"+"\r\n";
        }
	if (f.contacted.value == '0') {
          err+="Please select a Contact option"+"\r\n";
        }
        if (!f.agree_terms.checked) {
          err+="You must agree to the Terms and Conditions"+"\r\n";
        }
	for (var i=0; i<requiredArr.length; i++) {
		var curInput = eval("f."+requiredArr[i]);
		if(curInput.value=="") {
			err+=("Your "+requiredArrName[i]+" is blank or invalid"+"\r\n");
		}
	}
	if (err!="") { 
		alert(err);
		return false;
	} else {
            f.required.value="1";
            return true;
        }
}
function validateUpdateProfile(f) {
	var err ="";
	var requiredArr = Array("first_name","last_name","address","city","zip","phone");
	var requiredArrName = Array("First Name","Last Name","Address","City","Zip","Phone");
	if (isEmailAddress(f.email.value)==false) {
		err+="Your Email is invalid"+"\r\n";
	}
	if (isEmailAddress(f.public_email.value)==false && f.public_email.value != "") {
		err+="Your Public Email is invalid"+"\r\n";
	}
        if (f.password.value == "") {
          err+="Your Password is invalid"+"\r\n";
        } else if (f.password.value != f.verify_password.value) {
          err+="Both Passwords must match"+"\r\n";
        }
        if (f.business_type.value == '0') {
          err+="Please select a Type of Business"+"\r\n";
        }
        if (f.specialty.value == '0') {
          err+="Please select an Area of Specialty"+"\r\n";
        }
        if (f.state.value == '0') {
          err+="Please select a State"+"\r\n";
        }
        if (f.country.value == '0') {
          err+="Please select a Country"+"\r\n";
        }
	if (f.contacted.value == '0') {
          err+="Please select a Contact option"+"\r\n";
        }
	for (var i=0; i<requiredArr.length; i++) {
		var curInput = eval("f."+requiredArr[i]);
		if(curInput.value=="") {
			err+=("Your "+requiredArrName[i]+" is blank or invalid"+"\r\n");
		}
	}
	if (err!="") { 
		alert(err);
		return false;
	} else {
            //f.required.value="1";
            return true;
        }
}
function confirmSubmitPoster(f) {
   $('#splash').fancybox({
		'hideOnContentClick': false,
		'hideOnOverlayClick': false,
		'showCloseButton': false,
		'padding':'37',
		'overlayOpacity': 0.7,
		'overlayColor': '#000000'
    }).trigger('click');
    return false;
}
function changeSubmitForm() {
    f = document.forms["submitNewPoster"];
	document.getElementById("poster_confirm").value = '1';
	$.fn.fancybox.close();
	validateSubmitPoster(f);
	//return false;
}
function validateSubmitPoster(f) {
	//f = document.forms["submitNewPoster"];
	var err ="";
	var requiredArr = Array("exhibition_name","presentation_date","poster_number","authors","abstract","filepc");
	var requiredArrName = Array("Name of Scientific Exhibition","Date of Presentation","Poster Number","Authors","Abstract","File");
     if (f.published_poster.value == '0') {
          err+="Please select Published Poster type"+"\r\n";
	}
	if (!f.agree_terms.checked) {
          err+="You must agree to the Terms and Conditions"+"\r\n";
        }
	for (var i=0; i<requiredArr.length; i++) {
		var curInput = eval("f."+requiredArr[i]);
		if(curInput.value=="") {
			err+=("Your "+requiredArrName[i]+" is blank or invalid"+"\r\n");
		}
	}
	if (err!="") { 
		alert(err);
		return false;
	} else {
	   outputloadBtn();
	   confirmSubmitPoster();
	   //f.submit();
        //return true;
    }
}
//change save button to loading icon after clicked
function outputloadBtn() {
    if (document.getElementById("submitBtnHolder")) {
	document.getElementById("submitBtnHolder").innerHTML = '<img src="/filebin/images/loading.gif" alt="" style="vertical-align:middle;" /> Submitting...';
    }
}
function validateEditPoster(f) {
	var err ="";
	var requiredArr = Array("exhibition_name","presentation_date","poster_number","authors","keywords","abstract");
	var requiredArrName = Array("Name of Scientific Exhibition","Date of Presentation","Poster Number","Authors","Keywords","Abstract");
	
	for (var i=0; i<requiredArr.length; i++) {
		var curInput = eval("f."+requiredArr[i]);
		if(notEmptyStr(curInput.value)==false) {
			err+=("Your "+requiredArrName[i]+" is blank or invalid"+"\r\n");
		}
	}
	if (err!="") { 
		alert(err);
		return false;
	} else {
		if (document.getElementById("submitBtnHolder")) {
		    document.getElementById("submitBtnHolder").innerHTML = '<img src="/filebin/images/loading.gif" alt="" /> submitting...';
		}
            return true;
        }
}
function showPlainText(id) {
	var input = document.getElementById(id);
	var link_text = document.getElementById(id+'_text');
	if (input.type == 'password') {
	    input.type = 'text';
	    if (link_text) link_text.innerHTML = 'hide password';
	} else {
	    input.type = 'password';
	    if (link_text) link_text.innerHTML = 'show as plain text';
	}
}
function showPasswordBox() {
    document.getElementById("forgot_pw").style.display = "block";
}
// used for submit a new poster form - to display form again after submitting a poster
function showPosterForm() {
    //alert("hi");
    //document.forms["showPosterForm"].submit();
}


// used for viewing a poster detail page
function viewDetailsPage(poster_id) {
	if (poster_id != ""){
	    document.getElementById("view_poster_id"+poster_id).value = poster_id;
	    document.forms["view_detail_page"+poster_id].submit();
	} else{
	    return false;	
	}
}
// used for deleting a poster confirmation
function reviewConfirm(form_action, poster_name, review_id) {
    var answer = confirm('Are you sure you want to delete this comment for poster \"'+poster_name+'\"?');
	if (answer){
	    document.getElementById("delete_review_name"+review_id).value = poster_name;
	    document.getElementById("delete_review_id"+review_id).value = review_id;
	    document.forms["delete_review"+review_id].submit();
	} else{
	    return false;	
	}
}

/* stuff from template */
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];}
}
function changePage(newLoc) {
   nextPage = newLoc.options[newLoc.selectedIndex].value	
   		if (nextPage != "") {
      	document.location.href = nextPage}
}
function change_font_size(size) {
	var area;
	area = document.getElementById('content');
	if (area) area.className = size;
}