/**

 * rsv.js - Really Simple Validation

 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

 *

 * v2.5, May 15 2008 - http://www.benjaminkeen.com/software/rsv

 */



if(typeof rsv=='undefined') rsv={};



// SETTINGS

rsv.displayType="alert-all";

rsv.errorFieldClass=null;

rsv.errorTextIntro="Please fix the following error(s) and resubmit:";

rsv.errorJSItemBullet="* ";

rsv.errorHTMLItemBullet="• ";

rsv.errorTargetElementId="rsvErrors";

rsv.customErrorHandler=null;

rsv.onCompleteHandler=null;



// ~~~~~~~~~~~~~~~~~~~~~~~



rsv.validate=function(form,rules)

{rsv.returnHash=[];for(var i=0;i<rules.length;i++)

{var row=rules[i].replace(/\\,/ig,"%%C%%");row=row.split(",");var satisfiesIfConditions=true;while(row[0].match("^if:"))

{var cond=row[0];cond=cond.replace("if:","");var comparison="equal";var parts=[];if(cond.search("!=")!=-1)

{parts=cond.split("!=");comparison="not_equal";}

else

parts=cond.split("=");var fieldToCheck=parts[0];var valueToCheck=parts[1];var fieldnameValue="";if(form[fieldToCheck].type==undefined)

{for(var j=0;j<form[fieldToCheck].length;j++)

{if(form[fieldToCheck][j].checked)

fieldnameValue=form[fieldToCheck][j].value;}}

else if(form[fieldToCheck].type=="checkbox")

{if(form[fieldToCheck].checked)

fieldnameValue=form[parts[0]].value;}

else

fieldnameValue=form[parts[0]].value;if(comparison=="equal"&&fieldnameValue!=valueToCheck)

{satisfiesIfConditions=false;break;}

else if(comparison=="not_equal"&&fieldnameValue==valueToCheck)

{satisfiesIfConditions=false;break;}

else

row.shift();}

if(!satisfiesIfConditions)

continue;var requirement=row[0];var fieldName=row[1];var fieldName2,fieldName3,errorMessage,lengthRequirements,date_flag;if(requirement!="function"&&form[fieldName]==undefined)

{alert("RSV Error: the field \""+fieldName+"\" doesn't exist! Please check your form and settings.");return false;}

if(requirement!="function"&&rsv.errorFieldClass)

{if(form[fieldName].type==undefined)

{for(var j=0;j<form[fieldName].length;j++)

rsv.removeClassName(form[fieldName][j],rsv.errorFieldClass,true);}

else

rsv.removeClassName(form[fieldName],rsv.errorFieldClass);}

if(row.length==6)

{fieldName2=row[2];fieldName3=row[3];date_flag=row[4];errorMessage=row[5];}

else if(row.length==5)

{fieldName2=row[2];fieldName3=row[3];errorMessage=row[4];}

else if(row.length==4)

{fieldName2=row[2];errorMessage=row[3];}

else

errorMessage=row[2];if(requirement.match("^length"))

{lengthRequirements=requirement;requirement="length";}

if(requirement.match("^range"))

{rangeRequirements=requirement;requirement="range";}

switch(requirement)

{case"required":if(form[fieldName].type==undefined)

{var oneIsChecked=false;for(var j=0;j<form[fieldName].length;j++)

{if(form[fieldName][j].checked)

oneIsChecked=true;}

if(!oneIsChecked)

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}}

else if(form[fieldName].type=="select-multiple")

{var oneIsSelected=false;for(var k=0;k<form[fieldName].length;k++)

{if(form[fieldName][k].selected)

oneIsSelected=true;}

if(!oneIsSelected||form[fieldName].length==0)

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}}

else if(form[fieldName].type=="checkbox")

{if(!form[fieldName].checked)

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}}

else if(!form[fieldName].value)

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"digits_only":if(form[fieldName].value&&form[fieldName].value.match(/\D/))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"letters_only":if(form[fieldName].value&&form[fieldName].value.match(/[^a-zA-Z]/))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"is_alpha":if(form[fieldName].value&&form[fieldName].value.match(/\W/))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"custom_alpha":var conversion={"L":"[A-Z]","V":"[AEIOU]","l":"[a-z]","v":"[aeiou]","D":"[a-zA-Z]","F":"[aeiouAEIOU]","C":"[BCDFGHJKLMNPQRSTVWXYZ]","x":"[0-9]","c":"[bcdfghjklmnpqrstvwxyz]","X":"[1-9]","E":"[bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ]"};var reg_exp_str="";for(var j=0;j<fieldName2.length;j++)

{if(conversion[fieldName2.charAt(j)])

reg_exp_str+=conversion[fieldName2.charAt(j)];else

reg_exp_str+=fieldName2.charAt(j);}

var reg_exp=new RegExp(reg_exp_str);if(form[fieldName].value&&reg_exp.exec(form[fieldName].value)==null)

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"reg_exp":var reg_exp_str=fieldName2.replace(/%%C%%/ig, ",");if(row.length==5)

var reg_exp=new RegExp(reg_exp_str,fieldName3);else

var reg_exp=new RegExp(reg_exp_str);if(form[fieldName].value&&reg_exp.exec(form[fieldName].value)==null)

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"length":comparison_rule="";rule_string="";if(lengthRequirements.match(/length=/))

{comparison_rule="equal";rule_string=lengthRequirements.replace("length=","");}

else if(lengthRequirements.match(/length>=/))

{comparison_rule="greater_than_or_equal";rule_string=lengthRequirements.replace("length>=","");}

else if(lengthRequirements.match(/length>/))

{comparison_rule="greater_than";rule_string=lengthRequirements.replace("length>","");}

else if(lengthRequirements.match(/length<=/))

{comparison_rule="less_than_or_equal";rule_string=lengthRequirements.replace("length<=","");}

else if(lengthRequirements.match(/length</))

{comparison_rule="less_than";rule_string=lengthRequirements.replace("length<","");}

switch(comparison_rule)

{case"greater_than_or_equal":if(!(form[fieldName].value.length>=parseInt(rule_string)))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"greater_than":if(!(form[fieldName].value.length>parseInt(rule_string)))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"less_than_or_equal":if(!(form[fieldName].value.length<=parseInt(rule_string)))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"less_than":if(!(form[fieldName].value.length<parseInt(rule_string)))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"equal":var range_or_exact_number=rule_string.match(/[^_]+/);var fieldCount=range_or_exact_number[0].split("-");if(fieldCount.length==2)

{if(form[fieldName].value.length<fieldCount[0]||form[fieldName].value.length>fieldCount[1])

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}}

else

{if(form[fieldName].value.length!=fieldCount[0])

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}}

break;}

break;case"valid_email":if(form[fieldName].value&&!rsv.isValidEmail(form[fieldName].value))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"valid_date":var isLaterDate=false;if(date_flag=="later_date")

isLaterDate=true;else if(date_flag=="any_date")

isLaterDate=false;if(!rsv.isValidDate(form[fieldName].value,form[fieldName2].value,form[fieldName3].value,isLaterDate))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"same_as":if(form[fieldName].value!=form[fieldName2].value)

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"range":comparison_rule="";rule_string="";if(rangeRequirements.match(/range=/))

{comparison_rule="equal";rule_string=rangeRequirements.replace("range=","");}

else if(rangeRequirements.match(/range>=/))

{comparison_rule="greater_than_or_equal";rule_string=rangeRequirements.replace("range>=","");}

else if(rangeRequirements.match(/range>/))

{comparison_rule="greater_than";rule_string=rangeRequirements.replace("range>","");}

else if(rangeRequirements.match(/range<=/))

{comparison_rule="less_than_or_equal";rule_string=rangeRequirements.replace("range<=","");}

else if(rangeRequirements.match(/range</))

{comparison_rule="less_than";rule_string=rangeRequirements.replace("range<","");}

switch(comparison_rule)

{case"greater_than_or_equal":if(!(form[fieldName].value>=Number(rule_string)))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"greater_than":if(!(form[fieldName].value>Number(rule_string)))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"less_than_or_equal":if(!(form[fieldName].value<=Number(rule_string)))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"less_than":if(!(form[fieldName].value<Number(rule_string)))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;case"equal":var rangeValues=rule_string.split("-");if((form[fieldName].value<Number(rangeValues[0]))||(form[fieldName].value>Number(rangeValues[1])))

{if(!rsv.processError(form[fieldName],errorMessage))

return false;}

break;}

break;case"function":custom_function=fieldName;eval("var result = "+custom_function+"()");if(result.constructor.toString().indexOf("Array")!=-1)

{for(var j=0;j<result.length;j++)

{if(!rsv.processError(result[j][0],result[j][1]))

return false;}}

break;default:alert("Unknown requirement flag in validateFields(): "+requirement);return false;}}

if(typeof rsv.customErrorHandler=='function')

return rsv.customErrorHandler(form,rsv.returnHash);else if(rsv.displayType=="alert-all")

{var errorStr=rsv.errorTextIntro+"\n\n";for(var i=0;i<rsv.returnHash.length;i++)

{errorStr+=rsv.errorJSItemBullet+rsv.returnHash[i][1]+"\n";rsv.styleField(rsv.returnHash[i][0],i==0);}

if(rsv.returnHash.length>0)

{alert(errorStr);return false;}}

else if(rsv.displayType=="display-html")

{var success=rsv.displayHTMLErrors(form,rsv.returnHash);if(!success)

return false;}

if(typeof rsv.onCompleteHandler=='function')

return rsv.onCompleteHandler();else

return true;}

rsv.processError=function(obj,message)

{message=message.replace(/%%C%%/ig,",");var continueProcessing=true;switch(rsv.displayType)

{case"alert-one":alert(message);rsv.styleField(obj,true);continueProcessing=false;break;case"alert-all":case"display-html":rsv.returnHash.push([obj,message]);break;}

return continueProcessing;}

rsv.displayHTMLErrors=function(f,errorInfo)

{var errorHTML=rsv.errorTextIntro+"<br /><br />";for(var i=0;i<errorInfo.length;i++)

{errorHTML+=rsv.errorHTMLItemBullet+errorInfo[i][1]+"<br />";rsv.styleField(errorInfo[i][0],i==0);}

if(errorInfo.length>0)

{document.getElementById(rsv.errorTargetElementId).style.display="block";document.getElementById(rsv.errorTargetElementId).innerHTML=errorHTML;return false;}

return true;}

rsv.styleField=function(field,focus)

{if(field.type==undefined)

{if(focus)

field[0].focus();for(var i=0;i<field.length;i++)

rsv.addClassName(field[i],rsv.errorFieldClass,true);}

else

{if(rsv.errorFieldClass)

rsv.addClassName(field,rsv.errorFieldClass,true);if(focus)

field.focus();}}

rsv.isValidEmail=function(str)

{var str2=str.replace(/^\s*/,"");var s=str2.replace(/\s*$/,"");var at="@";var dot=".";var lat=s.indexOf(at);var lstr=s.length;var ldot=s.indexOf(dot);if(s.indexOf(at)==-1||(s.indexOf(at)==-1||s.indexOf(at)==0||s.indexOf(at)==lstr)||(s.indexOf(dot)==-1||s.indexOf(dot)==0||s.indexOf(dot)==lstr)||(s.indexOf(at,(lat+1))!=-1)||(s.substring(lat-1,lat)==dot||s.substring(lat+1,lat+2)==dot)||(s.indexOf(dot,(lat+2))==-1)||(s.indexOf(" ")!=-1))

{return false;}

return true;}

rsv.isWhitespace=function(s)

{var whitespaceChars=" \t\n\r\f";if((s==null)||(s.length==0))

return true;for(var i=0;i<s.length;i++)

{var c=s.charAt(i);if(whitespaceChars.indexOf(c)==-1)

return false;}

return true;}

rsv.isValidDate=function(month,day,year,isLaterDate)

{var daysInMonth;if((year%4==0)&&((year%100!=0)||(year%400==0)))

daysInMonth=[31,29,31,30,31,30,31,31,30,31,30,31];else

daysInMonth=[31,28,31,30,31,30,31,31,30,31,30,31];if(!month||!day||!year)return false;if(1>month||month>12)return false;if(year<0)return false;if(1>day||day>daysInMonth[month-1])return false;if(isLaterDate)

{var today=new Date();var currMonth=today.getMonth()+1;var currDay=today.getDate();var currYear=today.getFullYear();if(String(currMonth).length==1)currMonth="0"+currMonth;if(String(currDay).length==1)currDay="0"+currDay;var currDate=String(currYear)+String(currMonth)+String(currDay);if(String(month).length==1)month="0"+month;if(String(day).length==1)day="0"+day;incomingDate=String(year)+String(month)+String(day);if(Number(currDate)>Number(incomingDate))

return false;}

return true;}

rsv.addClassName=function(objElement,strClass,mayAlreadyExist)

{if(objElement.className)

{var arrList=objElement.className.split(' ');if(mayAlreadyExist)

{var strClassUpper=strClass.toUpperCase();for(var i=0;i<arrList.length;i++)

{if(arrList[i].toUpperCase()==strClassUpper)

{arrList.splice(i,1);i--;}}}

arrList[arrList.length]=strClass;objElement.className=arrList.join(' ');}

else

objElement.className=strClass;}

rsv.removeClassName=function(objElement,strClass)

{if(objElement.className)

{var arrList=objElement.className.split(' ');var strClassUpper=strClass.toUpperCase();for(var i=0;i<arrList.length;i++)

{if(arrList[i].toUpperCase()==strClassUpper)

{arrList.splice(i,1);i--;}}

objElement.className=arrList.join(' ');}}