// JavaScript Document

/*=============================================================*/
/*			    VALIDATION FUNCTIONS						   */
function isValidEmail(str) {
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}


function valForm(){
	var msgReturn=new String("");
	var noError=true;	
	var rExp = /email/gi;
	var firstErrorObj = new String("");
	var radioName = "";
	var curr_radioName = "";
	var checkBoxName = "";
	var curr_checkBoxName = "";
	var isChecked=false;
	//alert(document.forms[0].elements.length)
	//return false
	for(var i=1;i<document.forms[0].elements.length;i++)
	{
			var INPUT =	document.forms[0].elements[i];
			//alert("type: "+INPUT.type +" - name:"+ INPUT.name + " - outerHTML: " + INPUT.outerHTML);
			//Check which kind of intup is been checked
			//then in each case of input we treate it diferently
			if(INPUT.attributes.FriendlyName!=null)
			{
			    switch(INPUT.type)
			    {
				    case "select-one":
					    //if it is a required input but none is selected then handle the error messages
					    //else breeak;
					    if((eval(INPUT.attributes.Required.value) && INPUT[INPUT.selectedIndex].value=="") || (eval(INPUT.attributes.Required.value) && INPUT[INPUT.selectedIndex].value=="0"))
					    {
						    msgReturn = msgReturn + 'Please insert ' + INPUT.attributes.FriendlyName.value + "<br>";
						    if(firstErrorObj=="")
							    firstErrorObj = INPUT;
						    noError=false;					
					    }
					    break;
    					
				    case "select-multiple":
					    //if it is a required input but none is selected then handle the error messages
					    //else breeak;
					    if(eval(INPUT.attributes.Required.value) && INPUT.selectedIndex==-1) 
					    {
						    msgReturn = msgReturn + 'Please insert ' + INPUT.attributes.FriendlyName.value + "<br>";
						    if(firstErrorObj=="")
							    firstErrorObj = INPUT;
						    noError=false;					
					    }
					    break;
    					
				    case "radio":
					    //if it is a required input but none is checked then handle the error messages
					    //else breeak;
					    curr_radioName =INPUT.name; 
    					
					    if(curr_radioName!=radioName)
					    {
						    radioName=curr_radioName;
						    var theRadioButtonGroup = eval("document.aspnetForm."+curr_radioName)
						    for (j=0;j<theRadioButtonGroup.length;j++) 
						    {
							    if (theRadioButtonGroup[j].checked) {
								    isChecked = true;
							    }
						    }

						    if(eval(INPUT.attributes.Required.value) && !isChecked)
						    {
							    msgReturn = msgReturn + 'Please select ' + INPUT.attributes.FriendlyName.value + "<br>";
							    if(firstErrorObj=="")
								    firstErrorObj = INPUT;
							    noError=false;		
						    }
					    }
    					
					    break;
    					
				    case "checkbox":
					    //if it is a required input but none is checked then handle the error messages
					    //else breeak;
					    curr_checkBoxName =INPUT.name; 
    					
					    if(curr_checkBoxName!=checkBoxName)
					    {
						    checkBoxName=curr_checkBoxName;
						    var theRadioButtonGroup = eval("document.aspnetForm."+curr_checkBoxName)
						    for (k=0;k<theRadioButtonGroup.length;k++) 
						    {
							    if (theRadioButtonGroup[k].checked) {
								    isChecked = true;
							    }
						    }

						    if(eval(INPUT.attributes.Required.value) && !isChecked)
						    {
							    msgReturn = msgReturn + 'Please select ' + INPUT.attributes.FriendlyName.value + "<br>";
							    if(firstErrorObj=="")
								    firstErrorObj = INPUT;
							    noError=false;		
						    }
					    }
    					
					    break;
    				
				    case "textarea":
					    //if it is a required input but none value given then send message error
					    //else break;
					    if(eval(INPUT.attributes.Required.value) && INPUT.value=="")
					    {
						    msgReturn = msgReturn  + 'Please insert ' + INPUT.attributes.FriendlyName.value + "<br>";
						    if(firstErrorObj=="")
							    firstErrorObj = INPUT;
						    noError=false;
					    }
					    break;
				    case "text":
					    //if it is a required input but none value given then send message error
					    //else checked the validation type of the text input and handle it accordingly
					    //alert("hi: "+INPUT.name)
					    if(INPUT.name!="email")
					    {
					        if(eval(INPUT.attributes.Required.value) && INPUT.value=="")//if it is a required field and 
					        {
						        msgReturn = msgReturn  + 'Please insert ' + INPUT.attributes.FriendlyName.value + "<br>";
						        if(firstErrorObj=="")
							        firstErrorObj = INPUT;
						        noError=false;
					        }
					        else
					        {
						        if(INPUT.value!="") //if it is not a required field, but it has value, we will check the validation input
						        {
        							
							        switch(INPUT.attributes.validation.value)
							        {
								        case "None":
									        break;
								        case "Email":
									        if(!isValidEmail(INPUT.value))
									        {
										        msgReturn = msgReturn  + 'Please insert a valid email to ' + INPUT.attributes.FriendlyName.value + "<br>";
										        if(firstErrorObj=="")
											        firstErrorObj = INPUT;
										        noError=false;
									        }
									        break;
								        case "Number":
									        if(!isNumber(INPUT.value))
									        {
										        msgReturn = msgReturn  + 'Please insert a valid number to ' + INPUT.attributes.FriendlyName.value + "<br>";
										        if(firstErrorObj=="")
											        firstErrorObj = INPUT;
										        noError=false;
									        }
									        break;
								        case "Date":
									        returnDate="";
									        if(!isDate(INPUT.value))
									        {
										        msgReturn = msgReturn  + returnDate +' ' + INPUT.attributes.FriendlyName.value + "<br>";
										        if(firstErrorObj=="")
											        firstErrorObj = INPUT;
										        noError=false;
									        }
									        break;
							        }
						        }
					        }
					    }
					    break;
    					
			    }
		}
	}
	if(!noError){
		document.getElementById("formError").innerHTML = msgReturn + "<BR>";
	}else{
		document.getElementById("formError").innerHTML ="";
	}
	if(firstErrorObj!="")
		firstErrorObj.focus();
	return noError;
}

		
function checkData(strInput){
	var strInput = new String(strInput);
	for(var i=0;i<strInput.length;i++)
	{
		if(strInput.charCodeAt(i)<48 || strInput.charCodeAt(i)>57)
			return false;
	}
	if(strInput.length==1 && strInput.charCodeAt(0)==48)
		return false;
	return true;
}

	
function isNumber(sText)
{
   var ValidChars = "0123456789.-";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }


var dtCh= "/";
var minYear=1900;
var maxYear=2100;
var returnDate = "";

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	if(document.forms[0].dateFormat)
		var dateFormat = document.forms[0].dateFormat.value;
	else
		var dateFormat = 1;

	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	switch(eval(dateFormat)){
		case 1:
			var dateFormatText = "dd/mm/yyyy"
			var strMonth=dtStr.substring(0,pos1)
			var strDay=dtStr.substring(pos1+1,pos2)
			break;
		case 2:
			var dateFormatText = "mm/dd/yyyy"
			var strMonth=dtStr.substring(pos1+1,pos2)
			var strDay=dtStr.substring(0,pos1)
			break;
	}
	
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		returnDate = "The date format should be : dd/mm/yyyy";
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		returnDate = "Please enter a valid month";
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		returnDate = "Please enter a valid day";
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		returnDate = "Please enter a valid 4 digit year between "+minYear+" and "+maxYear;
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		returnDate = "Please enter a valid date";
		return false
	}
return true
}

/*=============================================================*/