function IsNumeric(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

	for (i = 0; i < sText.length && IsNumber == true; i++) 
	{ 
	  Char = sText.charAt(i); 
	  if (ValidChars.indexOf(Char) == -1) 
		 {
			IsNumber = false;
		 }
	}
   return IsNumber;
}
	
function validate_form()
{
	var inputalpha=document.getElementById("nm");
	var getalpha=inputalpha.value.match(/^[a-zA-Z]+$/g);
	if(getalpha==null)
	{
		document.getElementById("id1").innerHTML="Please Enter valid name";
		return false;
	}
	else
	{
		document.getElementById("id1").innerHTML="";
	}

	//validation for Phone No which is Numeric validation 
	var ph_num=document.getElementById("ph").value; //document.frm1.textfield323.value;
	//var numLen=num.length-1;
	if(ph_num==null || ph_num=="Your Phone")
	{
		document.getElementById("id3").innerHTML = "Please Enter Phone No.";
		//document.form1.text1.focus();
		return false;
	}
	else
	{
		document.getElementById("id3").innerHTML = "";	
	}
	
	if(!IsNumeric(document.getElementById("ph").value))
	{
		document.getElementById("id3").innerHTML = "Please Enter Only Number";
		return false;
	}
	else
	{
		document.getElementById("id3").innerHTML = "";	
	}
	
	var getemail=document.getElementById("email").value;
	var ind=getemail.lastIndexOf('@');
	var dot=getemail.lastIndexOf('.');
	if(ind<dot && ind>0 && dot>0 && getemail!=null)
	{
		document.getElementById("id5").innerHTML="";
	}
	else
	{
		document.getElementById("id5").innerHTML="Please enter valid email";
		return false;
	}
}