function ValidateFriend()
    {
    if(document.getElementById("txtYname").value.trim()=="" ||document.getElementById("txtYname").value.trim()=="Your Name"){
    alert('Enter Your Name')
    document.getElementById('txtYname').focus(); 
    return false;  }    
    else {     
    var ct=document.getElementById("txtYname").value.length;
     for(var j=0;j<ct;j++){
    if(IsCharacter(document.getElementById("txtYname").value.charAt(j))!=true){
    var match=1;}}
    if(match==1){
    alert('Your Name should contain alphabets only')
     document.getElementById('txtYname').select(); 
    return false;}}
    
    
    if(document.getElementById("txtYemail").value.trim()==""||document.getElementById("txtYemail").value.trim()=="Your Email id"){
    alert('Enter Your Email');
    document.getElementById('txtYemail').focus(); 
    return false;}
    else{
    if(!IsEmail(document.getElementById('txtYemail').value )){
   alert('Enter valid Email');
   document.getElementById('txtYemail').select();
   return false; } }
    
    
    
    if(document.getElementById("txtFname1").value.trim()=="" ||document.getElementById("txtFname1").value.trim()=="Friend Name"){
    alert("Enter Friend's Name")
    document.getElementById('txtFname1').focus(); 
    return false;  }    
    else {     
    var ct=document.getElementById("txtFname1").value.length;
     for(var j=0;j<ct;j++){
    if(IsCharacter(document.getElementById("txtFname1").value.charAt(j))!=true){
    var match=1;}}
    if(match==1){
    alert("Friend's Name should contain alphabets only")
     document.getElementById('txtFname1').select(); 
    return false;}}
    
    if(document.getElementById("txtFemail1").value.trim()=="Friend Email id"){
    alert("Enter your Friend's Email");
    document.getElementById('txtFemail1').focus(); 
    return false;}
    else{
    if(!IsEmail(document.getElementById('txtFemail1').value )){
   alert("Enter valid Friend's Email");
   document.getElementById('txtFemail1').select();
   return false; } }
    
     
        
    if(document.getElementById("txtFname2").value.trim()=="Friend Name" && document.getElementById("txtFemail2").value.trim()!="Friend Email id"){
   
    alert("Enter Friend's Name")
    document.getElementById('txtFname2').focus(); 
    return false;      
   }
   
    if(document.getElementById("txtFemail2").value.trim()=="Friend Email id" && document.getElementById("txtFname2").value.trim()!="Friend Name"){
  
    alert("Enter your Friend's Email");
    document.getElementById('txtFemail2').focus(); 
    return false;
    }
   
    if(!IsEmail(document.getElementById('txtFemail2').value) &&document.getElementById("txtFemail2").value.trim()!="Friend Email id" && document.getElementById("txtFname2").value.trim()!="Friend Name")
   {
    alert("Enter valid Friend's Email");
   document.getElementById('txtFemail2').select();
   return false;
   }
   
   
 
    }
    
    
    
    
    
    
    
    
    
    function IsEmail(strEmail)
{
        var blnResult = true;
        var strEmailRegExp=/\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/;
		if(!strEmail.match(strEmailRegExp))
		{
		   blnResult=false;
		}
		return blnResult;
}
String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}
String.prototype.ltrim = function() {
	return this.replace(/^\s+/,"");
}
String.prototype.rtrim = function() {
	return this.replace(/\s+$/,"");
}
function IsCharacter(strString)				
				{ 
					var strValidChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ ";
					var strChar;
					var blnResult = true
						for (i = 0; i < strString.length && blnResult == true; i++)
							{
								strChar = strString.charAt(i);
								if (strValidChars.indexOf(strChar) == -1)
								{
										blnResult = false;
								}						
				             }
					return blnResult;
				       }
				       
				       
function rest()
{
document.getElementById("txtYname").value="";
document.getElementById("txtYemail").value="";
document.getElementById("txtFname1").value="";
document.getElementById("txtFname2").value="";
document.getElementById("txtFemail1").value="";
document.getElementById("txtFemail2").value="";

}