var mass1 = new Array("networking","voice","equipment","wiring","telecom");
var mass2 = new Array("telecommun","electric","water","printing");
var mass3 = new Array("equp","cash");
var mass = new Array(mass1, mass2, mass3);

var link1 = new Array("Networking & IT Support","Voice/Data/Internet","Equipment","Wiring and Cabling","Telecom Audit");
var link2 = new Array("Telecommunication","Electric / Gas","Water / Sewage","Printing / Paper");
var link3 = new Array("Equipment / POS","Cash Advances");
var link = new Array(link1, link2, link3);

function getListProd(_id) {
	var select_s2 = document.getElementById('select_s2');
	var options = "";
	
	for (var i = 0; i < mass[_id].length; i++) {
		options = options + "<option value='"+mass[_id][i]+"'>"+link[_id][i]+"</option>";
	}

	select_s2.innerHTML = options;
}


function goto_link(_form) {
	var select_s2 = document.getElementById('select_s2');
	window.location = select_s2.value + ".php";
}

function show_hideNews(id1,id2,k) {
	document.getElementById(id1).style.display = 'block';
	document.getElementById(id2).style.display = 'none';
	var img1 = document.getElementById('src1');
	var img2 = document.getElementById('src2');
	
	k == 1 ? img1.src = "img/processing.jpg" : img1.src = "img/processing_d.jpg";
	k == 2 ? img2.src = "img/tehnology_d.jpg" : img2.src = "img/tehnology.jpg";
}