function chkvalid()
{

	if (document.Form.name.value == "")
	{
		alert('Please Enter a Name.');
		document.Form.name.focus();
		return false;
	}
	else if(document.Form.email.value == '' || document.Form.email.value == null)
	{
		alert("Please Enter an Email address.");
		document.Form.email.focus();
		return false;
	}
	else if(!emailcheck(document.Form.email.value))
	{
		alert("Invalid Email address.");
		document.Form.email.focus();
		document.Form.email.select();
		return false;
	}
	else if(document.getElementById('phone').value=="")
        {
            alert("Please Enter Phone number");
            document.getElementById('phone').focus();
            return false;
        }	
	else if(document.getElementById('city').value=="")
        {
            alert("Please Enter City");
            document.getElementById('city').focus();
            return false;
        }	
	else if(document.getElementById('message').value=="")
        {
            alert("Please Enter Message");
            document.getElementById('message').focus();
            return false;
        }	

	else
	{
		 //document.forms["Form"].submit();
		 return true;

	}	
}

function chkvalid1()
{

	if (document.Form1.name1.value == "")
	{
		alert('Please Enter a Name.');
		document.Form1.name1.focus();
		return false;
	}
	else if(document.getElementById('city2').value=="")
        {
            alert("Please Enter City");
            document.getElementById('city2').focus();
            return false;
        }	
	else if(document.getElementById('mphone').value=="")
        {
            alert("Please Enter Phone number");
            document.getElementById('mphone').focus();
            return false;
        }	
	
	else if(document.Form1.email2.value == '' || document.Form1.email2.value == null)
	{
		alert("Please Enter an Email address.");
		document.Form1.email2.focus();
		return false;
	}
	else if(!emailcheck(document.Form1.email2.value))
	{
		alert("Invalid Email address.");
		document.Form1.email2.focus();
		document.Form1.email2.select();
		return false;
	}
	
	else if(document.getElementById('comment').value=="")
        {
            alert("Please Enter Comments");
            document.getElementById('comment').focus();
            return false;
        }	
	else if(document.getElementById("txtimage").value=="Enter the Code")
        {
            alert("Please enter the code shown");
            document.Form1.txtimage.focus();
            return false;
        }
	else if(document.getElementById("txtimage").value != document.getElementById("pin_value_hdn").value)
	 	{
			alert("Please Enter The Given Code Correctly");
			document.Form1.txtimage.focus();
            return false;
		}

	else
	{
		 //document.forms["Form"].submit();
		 return true;

	}	
}

function emailcheck(str)
{
	accept = "1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM";
	for (h=0; h < str.length ;h++)
	{
		if (accept.indexOf(str.charAt(h))<0)
		{
			return (false);
		}
	}

	if (document.images)
	{
		pat = /(@.*@)|(\.\.)|(^\.)|(^@)|(@$)|(\.$)|(@\.)/;
		pat_two = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;
		if (!str.match(pat) && str.match(pat_two))
		{
			return (-1);
		}
	}

}
function KeycheckOnlyNumeric(e)
{
   var _dom = 0;
    _dom=document.all?3:(document.getElementById?1:(document.layers?2:0));
    if(document.all) e=window.event; // for IE
    var ch='';
    var KeyID = '';
    //alert(_dom);
    if(_dom==2){                     // for NN4
        //alert(e.which);
        if(e.which>0) ch='('+String.fromCharCode(e.which)+')';
        KeyID=e.which;
    }
    else
    {
        if(_dom==3){                   // for IE
            KeyID = (window.event) ? event.keyCode : e.which;
        }
        else {                       // for Mozilla
            //alert('Mozilla:' + e.charCode);
            if(e.charCode>0) ch='('+String.fromCharCode(e.charCode)+')';
            KeyID=e.charCode;
        }
    }
    
    if((KeyID >= 65 && KeyID <= 90) || (KeyID >= 97 && KeyID <= 122) || (KeyID >= 33 && KeyID <= 47) || (KeyID >= 58 && KeyID <= 64) || (KeyID >= 91 && KeyID <= 96) || (KeyID >= 123 && KeyID <= 126))	
    {
        //alert("hello");
        return false;
    }
    
    
    return true;
}