// JavaScript Document
function validateform()
{
var form = document.greeting;	

var frmemail= form.frmemail.value;
var frmname= form.frmname.value;



var btn = valButton(form.selimg);
if (btn == null) 
{
alert('Please select one greeting card to be sent');
//else alert('Button value ' + btn + ' selected'); 
return false;
}



if((frmname=="") && (frmname.length==0)){
		
		form.frmname.focus();
		alert('Please enter your Name');
		return false;
	}

if((frmemail=="") && (frmemail.length==0)){
		
		form.frmemail.focus();
		alert('Please enter your EmailID');
		return false;
	}


if(!echeck(frmemail)){
		
		form.frmemail.focus();
		alert('Please enter your valid EmailID');
		return false;
	}


function valButton(btn) {
    var cnt = -1;
    for (var i=btn.length-1; i > -1; i--) {
        if (btn[i].checked) {cnt = i; i = -1;}
    }
    if (cnt > -1) return btn[cnt].value;
    else return null;
}


//validating to email
 
	  var chks = document.getElementsByName('email[]');//here rr[] is the name of the textbox
      var emailtocnt=0;
	  
         for (var i = 0; i < chks.length; i++)
         {        
         if (chks[i].value!="")
         {
			 if(!echeck(chks[i].value)){
		
		     // form.chks[i].focus();
		      alert('Please enter receivers valid EmailID');
		      return false;
			}

			 
			 emailtocnt++;
                   
         }
         }
		 
		 if(emailtocnt == 0)
		 {
			 alert("Please enter receivers EmailID");
        // chks[i].focus();
         return false;  
		 }
	
	
}