function ValidateData()
{
	var element = document.getElementById('contactDate');
	if (element.value != "")
	{
		return false;
	}
	
	var element = getElementLarge('txtFullName');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your full name.');
		element.focus();
		return false;
	}
	else
	{
		if(HasNumbers(element.value))
		{
			alert('Name contains numbers, please remove them.');
			element.focus();
			return (false);
		}
	}	
	
	element = getElementLarge('txtAddress');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your address.');
		element.focus();
		return false;
	}
	element = getElementLarge('txtCity');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your city.');
		element.focus();
		return false;
	}
	element = document.getElementById('ddlState');
	if (element.value == "")
	{
		alert('Please, select your state.');
		element.focus();
		return false;
	}
	element = getElementLarge('txtZipCode');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your zip Code.');
		element.focus();
		return false;
	}
	else
	{
		if (element.value.length < 5)
		{
			alert("Please enter at most 5 characters in the zip field.");
			element.focus();
			return false;
		}
		else
		{
			if(isNaN(element.value))
			{
				alert("Please enter only numerical digits in the zip field.");
				element.focus();
				return false;	    
			}
		}
	}
	
	element = getElementLarge('txtPhone');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your phone.');
		element.focus();
		return false;
	}
	else
	{
		if(!ValidatePhone(element.value))
		{
			alert("Please, enter a valid phone number.");
			element.focus();
			return false;
		}
	}
	
	element = getElementLarge('txtEmail');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your email.');
		element.focus();
		return false;
	}
	else
	{
		if(!ValidateEmail(element.value))
		{
			alert("Please check the emails address");
			element.focus();
			return false;
		}
	}
	
	element = document.getElementById('ddlHearAboutUs');
	if (element.selectedIndex < 0)
	{
		alert("Please select 'How did you hear about us?' option.");
		element.focus();
		return false;
	}
	if (element.selectedIndex == 0)
	{
		alert("The first 'How did you hear about us?' option is not a valid selection. Please choose one of the other options.");
		element.focus();
		return false;
	}
	
	element = document.getElementById('ddlState');
	if (element.selectedIndex < 1)
	{
		alert("Please select State option.");
		element.focus();
		return false;
	}
	
	element = document.getElementById('ddlCountry');
	if (element.selectedIndex < 1)
	{
		alert("Please select Country option.");
		element.focus();
		return false;
	}
	
	element = getElementLarge('txtComments');
	element.value=trim(element.value);
	if (element.value == "")
	{
		alert('Please, enter your comments.');
		element.focus();
		return false;
	}	
	return true;
}

function ValidateEmail(valor)
{
	if (/\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/.test(valor))
	return true;
	else
	return false;
}

function HasNumbers(valor) 
{
    if (/[0-9]/.test(valor))
            return true;
    else
            return false;
}

function ValidatePhone(incoming)
{
	var ValidChars = "0123456789.()- ";
	var IsCorrect=true;
	var Char;

	for (cont = 0; cont < incoming.length && IsCorrect == true; cont++) 
	{ 
		Char = incoming.charAt(cont); 
		if (ValidChars.indexOf(Char) == -1) 
			return false;
	}
	return true;
}

function clearText(thefield)
{
	if (thefield.defaultValue == thefield.value) 
		thefield.value = "";
} 

function replaceText(thefield)
{
	if (thefield.value == "") 
		thefield.value = thefield.defaultValue;
}

function trim(myString)
{
 return myString.replace(/^\s+/g,'').replace(/\s+$/g,'')
}

function getElementLarge(name)
{
	var object = null;
	var tbLargeContact=document.getElementById('tbLargeContact'); 
	for (var i=0; i<tbLargeContact.rows.length; i++)
    {
        for (var j=0; j<tbLargeContact.rows[i].cells.length; j++)
        {
            for (var k=0; k<tbLargeContact.rows[i].cells[j].childNodes.length; k++)
            {                
                if(tbLargeContact.rows[i].cells[j].childNodes[k].id == name)
                {
                    object = tbLargeContact.rows[i].cells[j].childNodes[k];
                    return object;
                }
            }
        }
        
    }    
}

function hiddenState(item)
{
    var element = document.getElementById('txtOtherState');
    if (item.value == "Out of USA")
    {
        element.style.display = "";
        element.value = "";
    }
    else
    {
        element.style.display = "none";
    }
    
    var ddlCountry = document.getElementById('ddlCountry');
    if (item.value == "")
        ddlCountry.value="";
    
    else{
        if (item.value != "Out of USA")
            ddlCountry.value="United States";
        else 
            ddlCountry.value="";
    }
}

function hiddenCountry(item)
{     
    var ddlState = document.getElementById('ddlState');
    var element = document.getElementById('txtOtherState');
    if (item.value != "United States" && item.value != "")
    {
        ddlState.value="Out of USA";
        element.style.display = "";
        element.value = "";
    }
    else
    {
        if (item.value == "United States" || item.value == "")
        ddlState.value="";
        element.style.display = "none";
    } 
}

function changeState(item)
{
    
    var ddlState = document.getElementById('ddlState');
    if (item.value != "" && item.value !='United States')
    {   
        ddlState.value="Out of USA";
        var element = document.getElementById('txtOtherState');
        element.style.display = "";
        element.value = "";
    }
    
    else{
        if (item.value =='United States')
            ddlState.value="";
    }
    
}