window.onload=function(){

    stopdefaultstyle();
    
}

function stopdefaultstyle()
{  
    var forms=document.getElementsByTagName('form')[0];

	var userinput=document.getElementById('user');
	
	var submits=document.getElementById('sub_btn');  

	// forms.addEventListener("invalid",function(event)
	// {
 //        event.preventDefault();
        
	// },true);

	forms.addEventListener("submit",function()
	{   
	    alert("ni");

	},true);