// JavaScript Document
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 E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
		{
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		{
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1)
		{
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
		{
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1)
   		{
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(" ")!=-1)
		{
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true
	}

    function validate()
    {
        var name = document.contact.txtname.value;
		var position = document.contact.txtposition.value;
        var email = document.contact.txtemail.value;
        
        /*var website = document.contact.txtwebsite.value;
		var bugget = document.contact.txtbudget.value;*/
		var upload = document.contact.uploadedfile.value;
		
		valid = true;
    
	   if (name == "")
        {
            valid = false;
            alert("Please enter Your Name in Name field.");
            document.contact.txtname.focus();
        }

		else if (!isNaN(name))
		{
            valid = false;
            alert("Name can not have numeric value.Please enter again.");
            document.contact.txtname.focus();
        }
		
		else if (position == "")
		{
			valid = false;
			alert("Please enter Position you are applying for.")
			document.contact.txtposition.focus();
		}
		
		else if (!isNaN(position))
		{
			valid = false;
			alert("Position cannot have numeric value.Please enter specific Position Name.");
			document.contact.txtposition.focus();
		}

		else if ((email==null)||(email==""))
	    {
		alert("Please enter email id in the Email field.")
		document.contact.txtemail.focus();
		return false;
	    }
		
	    else if (echeck(email)==false)
	    {
		alert("Please enter valid email id.");
		document.contact.txtemail.focus();
		return false;
	    }
		
		else if (upload == "")
		{
			alert("Please upload file");
			document.contact.uploadedfile.focus();
			return false;
		}
	   return valid;
    }