function display_search(){
	var input_text = document.getElementById("search_text");
	if(input_text.value != "" && input_text.value != " "){
		document.getElementById("tweets_content").style.display = "none";
		document.getElementById("search_content").innerHTML = "Searching...";
		clearInterval(interval);
		var params = "?p=" + input_text.value;
		var url = "twitter/search.php" + params;
		get_external_content(url, "search_content");
	}else{
		input_text.focus();
	}
}
function suggest(){
	var input_text = document.getElementById("sug_text");
	req.open('GET', "suggest.php?s=" + input_text.value);
	if(input_text.value != "" && input_text.value != " "){
		req.onreadystatechange = function() {    
				if (req.readyState == 4) {  
			  //alert(req.responseText);
		} }
		req.send("");
		alert("Suggestion Sended");
		input_text.value = "";
	}else{
		input_text.focus();
	}
}
function search_by_enter(e){
	if (window.event) { e = window.event; }
	if (e.keyCode == 13) {
        display_search();
    }
}
function get_current_index(){
	return current_index;	
}
var per_page = 25;
var current_index = 0;
function display_next(initial){
	current_index = initial;
	var lines = 0;
	arr = document.getElementsByTagName("div");
	var results = 1;
	for(var i=0; i < arr.length; i++) {
		if(arr[i].id.indexOf("line_") != -1){
			if(results <= (initial + per_page) && results > initial){
				arr[i].style.display = "block";
			}else{
				arr[i].style.display = "none";
			}
			results ++;
		}
	}
	if(initial > 0){document.getElementById("btn_prev").style.display = "inline";
	}else if(document.getElementById("btn_prev") != null){
		document.getElementById("btn_prev").style.display = "none";
	}
	if(initial + per_page < (results - 1)){document.getElementById("btn_next").style.display = "inline";
	}else if(document.getElementById("btn_next") != null){
		document.getElementById("btn_next").style.display = "none";
	}
	
}