function countWord (word)
{
	var y = word;
	var r = 0;
	a = y.replace(/\s/g,' ');
	a = a.split(' ');
	for (z = 0; z<a.length; z++) {if (a[z].length > 0) r++;}
	
	return r;
} 

function validate_form(thisform)
{
	inputText = document.getElementById("input_text");
	
	if (inputText.value == "")
	{
		alert ("Kosong,silahkan masukkan satu kata");
		inputText.focus ();
		return false;
		
	}
	
	var n = countWord (inputText.value);
	if (n > 3)
	{
		alert ("Error: Silahkan masukkan maksimal 3 kata saja.");
		inputText.focus ();
		return false;
		
	}
}