function checkForm() 
{	//alert("in");
	var user = document.getElementById("user_name").value;
	var code = document.getElementById("user_code").value;
	
	if (user == "") 
	{
		hideAllErrors();
		document.getElementById("UserNameErr").style.display="block";
		document.getElementById("UserNameErr").innerHTML = 'Please enter user name.';
		document.getElementById("user_name").select();
		document.getElementById("user_name").focus();
		return false;
	}
	/*
	else if (!user_name(user)) 
	{
		hideAllErrors();
		document.getElementById("UserNameErr").style.display="block";
		document.getElementById("UserNameErr").innerHTML = 'Incorrect user name.';
		document.getElementById("user_name").select();
		document.getElementById("user_name").focus();
		return false;
	}	
	*/
	else if (code == "") 
	{
		hideAllErrors();
		document.getElementById("UserCodeErr").style.display="block";
		document.getElementById("UserCodeErr").innerHTML = 'Please enter user code.';
		document.getElementById("user_code").select();
		document.getElementById("user_code").focus();
		return false;
	}
	/*
	else if (!user_code(code)) 
	{
		hideAllErrors();
		document.getElementById("UserCodeErr").style.display="block";
		document.getElementById("UserCodeErr").innerHTML = 'Incorrect user code.';
		document.getElementById("user_code").select();
		document.getElementById("user_code").focus();
		return false;
	}
	*/
	else
	{	
		document.upload_frm.submit();
		return true;
	}

}

function hideAllErrors() 
{	
	document.getElementById("UserNameErr").style.display="none";
  	document.getElementById("UserCodeErr").style.display="none";  	
}

/* Function for file name */
function user_name(alphane)
{
	var numaric = alphane;
			
	for(var j=0; j<numaric.length; j++)
	{
		var alphaa = numaric.charAt(j);
		var hh = alphaa.charCodeAt(0);
						
		if((hh > 47 && hh<59) || (hh > 64 && hh<91) || (hh > 96 && hh<123)||(hh==95)||(hh==45))
		{
		
		}
		else
		{
			return false;
		}
	}
	return true;
}
/* Function for file name */

/* Function for file code */
function user_code(alphane)
{
	var numaric = alphane;
			
	for(var j=0; j<numaric.length; j++)
	{
		var alphaa = numaric.charAt(j);
		var hh = alphaa.charCodeAt(0);
						
		if((hh > 47 && hh<59) || (hh > 64 && hh<91) || (hh > 96 && hh<123)||(hh==95)||(hh==45) || (hh==33) || (hh==36))
		{
		
		}
		else
		{
			return false;
		}
	}
	return true;
}
/* Function for file code*/