function validateform_overlay(){
		if (!document.getElementById) return;

		var linkarr = document.getElementsByTagName('input');  
		var n = linkarr.length;
		var z = "";		

		//alert("looped");
		for (var i = 0; i < n; i++) {  
			z = linkarr[i].getAttribute('rel');
				switch(z) {
					case "notempty":
						if(linkarr[i].value==""){ alert("The " + linkarr[i].getAttribute('title') + " field cannot be left empty."); linkarr[i].focus(); return false; } 
						break
					case "phone":
						vp  = validphone(linkarr[i].value);
						if(vp==-1){ alert("The " + linkarr[i].getAttribute('title') + " field is not a valid phone number."); linkarr[i].focus(); return false; } else { linkarr[i].value = vp; }
						break					
						case "phone_opt":
							vp  = validphone_opt(linkarr[i].value);
							if(vp==-1){ alert("The " + linkarr[i].getAttribute('title') + " field is not a valid phone number."); linkarr[i].focus(); return false; } else { linkarr[i].value = vp; }
							break
					case "email":
						if(validemail(linkarr[i].value)==false){ alert("The " + linkarr[i].getAttribute('title') + " field does not contain a valid email address."); linkarr[i].focus(); return false; } 
						break					
					default:
						// do nothing         
   				}
		}
		//alert("done");

   		sending_form();
		return true;
}


function validateform(){
		if (!document.getElementById) return;

		var linkarr = document.getElementsByTagName('input');  
		var n = linkarr.length;
		var z = "";		

		//alert("looped");
		for (var i = 0; i < n; i++) {  
			z = linkarr[i].getAttribute('rel');
				switch(z) {
					case "notempty":
						if(linkarr[i].value==""){ alert("The " + linkarr[i].getAttribute('title') + " field cannot be left empty."); linkarr[i].focus(); return false; } 
						break
					case "phone":
						vp  = validphone(linkarr[i].value);
						if(vp==-1){ alert("The " + linkarr[i].getAttribute('title') + " field is not a valid phone number."); linkarr[i].focus(); return false; } else { linkarr[i].value = vp; }
						break					
					case "phone_opt":
							vp  = validphone_opt(linkarr[i].value);
							if(vp==-1){ alert("The " + linkarr[i].getAttribute('title') + " field is not a valid phone number."); linkarr[i].focus(); return false; } else { linkarr[i].value = vp; }
							break
					case "email":
						if(validemail(linkarr[i].value)==false){ alert("The " + linkarr[i].getAttribute('title') + " field does not contain a valid email address."); linkarr[i].focus(); return false; } 
						break
					case "isnumeric":
						if(isnumeric(linkarr[i].value)==false || linkarr[i].value==""){ alert("The " + linkarr[i].getAttribute('title') + " field does not contain a valid entry."); linkarr[i].focus(); return false; } 
						break	
					case "validdate":
						if(isDate(linkarr[i].value)==false){ alert("The " + linkarr[i].getAttribute('title') + " field does not contain a valid date. Please use mm/dd/yy format."); linkarr[i].focus(); return false; }
					default:
						// do nothing         
   				}


				if(z.indexOf('_')==0){
					conf = z.substring(1);
					confval = document.getElementById(conf);
					if(linkarr[i].value != confval.value){
						alert(linkarr[i].getAttribute('title') + " does not match with other entry."); linkarr[i].focus(); return false;
					}
				}


		}
		//alert("done");


		
		return true;
}

function validphone(sText){
	var ValidChars = "0123456789";
	var IsNumber=true;
	var Char;
	var theNumber = "";

	for (i = 0; i < sText.length && IsNumber == true; i++) { 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) {
			//IsNumber = false;
		} else {
			theNumber = theNumber + Char;
		}
	}
      
		if(theNumber.length == 10){
			return theNumber;
		} else {
			return -1;
		}
}

function validphone_opt(sText){
	var ValidChars = "0123456789";
	var IsNumber=true;
	var Char;
	var theNumber = "";

	for (i = 0; i < sText.length && IsNumber == true; i++) { 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) {
			//IsNumber = false;
		} else {
			theNumber = theNumber + Char;
		}
	}
      
		if(theNumber.length == 10 || theNumber.length == 0){
			return theNumber;
		} else {
			return -1;
		}
}

function validemail(emailform){
	if(emailform.length>0){
		if(emailform.length>5){
			if (emailform.indexOf("@") > 0 && ( emailform.indexOf(".") > 0 ) ) {
				return true;
			} else {
				return false;			
			}
		} else {
			return false;		
		}
	}
	return false;
}

function isnumeric(sText){
	var ValidChars = "0123456789";
	var IsNumber=true;
	var Char;
	var theNumber = "";

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

var dtCh= "/";
var minYear=00;
var maxYear=99;

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

var isNN = (navigator.appName.indexOf("Netscape")!=-1);

function autoTab(input,len, e) {  
	var keyCode = (isNN) ? e.which : e.keyCode;   
	var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];  
	if(input.value.length >= len && !containsElement(filter,keyCode)) {  
		input.value = input.value.slice(0, len); 
		input.form[(getIndex(input)+1) % input.form.length].focus();  
	}
}

function containsElement(arr, ele) {  
var found = false, index = 0;  
while(!found && index < arr.length) 
if(arr[index] == ele)  
found = true;  
else 
index++; 
return found;  
}

function getIndex(input) {  
	var index = -1, i = 0, found = false;  
	while (i < input.form.length && index == -1){ 
	if (input.form[i] == input){
		index = i;  
	}else{
		i++;  
	}
		return index;  
	}
	return true;  
}