function gotFocus(ctl,val)
{

    if(document.getElementById(ctl.id).value==val)
    {
        document.getElementById(ctl.id).value='';
    }
}
function lostFocus(ctl,val)
{
    if(document.getElementById(ctl.id).value=='')
    {
        document.getElementById(ctl.id).value=val;
    }
}


// JavaScript Document
function trim1(inputString)
{
    if (typeof inputString != "string")
    {
        return inputString;
    }
    var retValue = inputString;
    var ch = retValue.substring(0, 1);
    while (ch == " ")
    { // Check for spaces at the beginning of the string
        retValue = retValue.substring(1, retValue.length);
        ch = retValue.substring(0, 1);
    }
    ch = retValue.substring(retValue.length-1, retValue.length);
    while (ch == " ")
    { // Check for spaces at the end of the string
        retValue = retValue.substring(0, retValue.length-1);
        ch = retValue.substring(retValue.length-1, retValue.length);
    }
    //while (retValue.indexOf(" ") != -1) { // Note that there are two 
 //spaces in the string - look for multiple spaces within the string
    //retValue = retVal
//}
return retValue;
}
    var vld_Email =  '/^(([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,5}|[0-9]{1,3})(\]?))?$/';
 
function echeck(str) 
{

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid Email address - Please correct");
		   return false;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid Email address - Please correct");
		   return false;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid Email address - Please correct");
		    return false;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid Email address - Please correct");
		    return false;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid Email address - Please correct");
		    return false;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid Email address - Please correct");
		    return false;
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid Email address - Please correct");
		    return false;
		 }

 		 return true;					
}

function valuevalidation(entered, min, max, alertbox, datatype)
{
// Value Validation by Henrik Petersen / NetKontoret
// Explained at www.echoecho.com/jsforms.htm
// Please do not remove this line and the two lines above.
with (entered)
{
checkvalue=parseFloat(value);
if (datatype)
{smalldatatype=datatype.toLowerCase();
if (smalldatatype.charAt(0)=="i") {checkvalue=parseInt(value)};
}
if ((parseFloat(min)==min && checkvalue<min) || (parseFloat(max)==max && checkvalue>max) || value!=checkvalue)
{if (alertbox!="") {alert(alertbox);} return false;}
else {return true;}
}
} 	

function digitvalidation(entered, min, max, alertbox, datatype)
{
// Digit Validation by Henrik Petersen / NetKontoret
// Explained at www.echoecho.com/jsforms.htm
// Please do not remove this line and the two lines above.
with (entered)
{
checkvalue=parseFloat(value);
if (datatype)
{smalldatatype=datatype.toLowerCase();
if (smalldatatype.charAt(0)=="i")
{checkvalue=parseInt(value); if (value.indexOf(".")!=-1) {checkvalue=checkvalue+1}};
}
if ((parseFloat(min)==min && value.length<min) || (parseFloat(max)==max && value.length>max) || value!=checkvalue)
{if (alertbox!="") {alert(alertbox);} return false;}
else {return true;}
}
} 


function valid(thisForm)
    {
	var flag=0;
	with(thisForm)
	{
	if(document.getElementById('txtfrst').value=="")
	{
		alert("Please enter your name")
		flag=1;
		document.getElementById('txtfrst').focus();
		return false;
	}
	if(document.getElementById('txtscd').value=="")
	{
		alert("Please enter phone number")
		flag=1;
		document.getElementById('txtscd').focus();
		return false;
	}
	if(document.getElementById('txtmail').value=="")
	{
		alert("Please enter your Email id")
		flag=1;
		document.getElementById('txtmail').focus();
		return false;
	}
	if(document.getElementById('txtcoments').value=="")
	{
		alert("Please enter your comments")
		flag=1;
		document.getElementById('txtcoments').focus();
		return false;
	}

	if(!echeck(document.getElementById('txtmail').value))
	{
		flag=1;
		document.getElementById('txtmail').focus();
		return false;
	}
	if(flag==0)
	{
		return true;
	}
		return false;
	}
}