var field_main;
function do_blink(field)
{
	var errorcolor="#ff0000";
	field.focus();
	field.style.background=errorcolor;
    field_main=field;
	setInterval("temp()",500);    
}

function temp(field)
{
	var okcolor="#ffffff";
	field_main.style.background=okcolor;
}
//delete data
function DeleteData(url)
{
	if(confirm("Are you sure you want to delete."))
		location.replace(url);	
	
}
function CheckForgetPass(f)
{
	if(f.email.value == "")
	{
		alert("Email is Mandatory.");
		do_blink(f.email);
		return(false);
	}
	else
	{
		var f1=f.email.value;
		var emailFilter=/^.+@.+\..{2,3}$/;
		if (!(emailFilter.test(f1))) 
		{ 
		  	alert("Email address is incorrect.");
			do_blink(f.email);
			return(false);
		}
		var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/;
		 if (f1.match(illegalChars)) 
		 {
			alert("Email address contains illegal characters.");
			do_blink(f.email);
			return(false);
		 }
	}
	f.submit();
}
function login(f)
{
	if(f.username.value == "")
	{
		alert("Username is Mandatory.");
		do_blink(f.username);
		return(false);
	}
	else
	{
		
		if(parseInt(f.username.value.length) < 6)
		{
			alert("Username should be greater than or equal to six character.");
			do_blink(f.username);
			return(false);
		}	
	}
	if(f.password.value == "")
	{
		alert("Password is Mandatory.");
		do_blink(f.password);
		return(false);
	}
	else
	{
		
		if(parseInt(f.password.value.length) < 6)
		{
			alert("password should be greater than or equal to six character.");
			do_blink(f.password);
			return(false);
		}	
	}
	f.submit();
	return true;
	
}
function checkpass(f)
{
	if(f.old.value == "")
	{
		alert("Old Password is Mandatory.");
		do_blink(f.old);
		return(false);
	}
	else
	{
		
		if(parseInt(f.old.value.length) < 6)
		{
			alert("Old password should be greater than or equal to six character.");
			do_blink(f.old);
			return(false);
		}	
	}
	if(f.newp.value == "")
	{
		alert("New Password is Mandatory.");
		do_blink(f.newp);
		return(false);
	}
	else
	{
		if(parseInt(f.newp.value.length) < 6)
		{
			alert("New password should be greater than or equal to six character.");
			do_blink(f.newp);
			return(false);
		}	
	}
	if(f.conf_pass.value == "")
	{
		alert("Confirm Password is Mandatory.");
		do_blink(f.conf_pass);
		return(false);
	}
	else
	{
		if(parseInt(f.conf_pass.value.length) < 6)
		{
			alert("Confirm password should be greater than or equal to six character.");
			do_blink(f.conf_pass);
			return(false);
		}	
		else
		{
			if(f.conf_pass.value != f.newp.value)
			{
				alert("Password & Confirm Password didn't match.");
				do_blink(f.newp);
				do_blink(f.conf_pass);
				return(false);
			}	
		}
	}
	f.submit();
	return true;
	

}