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("Please enter valid email address")
		    document.form1.email.value='';
			document.form1.email.focus();
		   return false
		  
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Please enter valid email address")
		   document.form1.email.value='';
		   document.form1.email.focus();
		   return false
		   
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Please enter valid email address")
			document.form1.email.value='';
			document.form1.email.focus();
		    return false
			
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Please enter valid email address")
			document.form1.email.value='';
			document.form1.email.focus();
		    return false
			
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Please enter valid email address")
			document.form1.email.value='';
			document.form1.email.focus();
		    return false
			
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Please enter valid email address")
			document.form1.email.value='';
			document.form1.email.focus();
		    return false
			
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Please enter valid email address")
			document.form1.email.value='';
			document.form1.email.focus();
		    return false
			
		 }

 
 		 return true					
	}

function checkIt(evt) {
    evt = (evt) ? evt : window.event
    var charCode = (evt.which) ? evt.which : evt.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57)&& charCode!=43 && charCode!=45 && charCode!=40 && charCode!=41 && charCode!=32 && charCode!=46) {
        status = "This field accepts numbers only."
        return false
    } 
    status = ""
    return true
}
function validate_contact_form()
	{
	if(document.form1.first_name.value=="")
	{
		alert("Please fill your name");
		document.form1.first_name.focus();
		return false;
	}
     	/*else if(document.form1.phone.value=='')
		{
		alert('Please enter valid mobile number');
		document.form1.phone.value='';
		document.form1.phone.focus();
		return false;
		}*/
			
else  if(document.form1.email.value=='')
                {
                alert('Please enter valid email address');
                                document.form1.email.focus();
                return false;
                }
 else if(document.form1.suggestion.value=='')
		{
		alert('Please enter your message');
		document.form1.suggestion.focus();
		return false;
		}
		else if(document.form1.captcha.value=='')
		{
		alert('Enter the text from Image');
		document.form1.captcha.focus();
		return false;
		}
		
	return  true;
	}
function checkName()
{
re = /^[A-Za-z. \n\r\t]+$/;
if(re.test(document.form1.first_name.value))
{
//alert('Please enter valid name.');
}
else
{
document.form1.first_name.focus();
alert('Please enter valid Name.');
document.form1.first_name.value="";
//document.form1.first_name.focus();
}
}