var bgImages = [];
var textCopies = [];
var href = [];

bgImages[0] = "skins/model_ibosh/images/how_it_works.jpg";
bgImages[1] = "skins/model_ibosh/images/what_can_i_learn.jpg";
bgImages[2] = "skins/model_ibosh/images/support_package.jpg";
bgImages[3] = "skins/model_ibosh/images/your_profile.jpg";
	
textCopies[0] = " ";
textCopies[1] = "";
textCopies[2] = "";
textCopies[3] = "";
	
href[0] = "#";
href[1] = "#";
href[2] = "#";
href[3] = "#";

function showTab(intI){
	document.getElementById("read_more").href = href[intI];
	document.getElementById("headerZone").style.background = "url(" + bgImages[intI] + ")";
	document.getElementById("headerText").innerHTML = textCopies[intI];
}

function trim(text){
	text = text.replace(/^\s+/, "");
	text = text.replace(/\s+$/, "");
	text = text.replace(/\s+/g, " ");
	return text;
}

function checkSendFeedback(){		

	var objForm = document.getElementById("frmEnquiry");
	
	if (trim(objForm.name.value).length < 2){
		alert("Please enter your name.");
		objForm.name.value = trim(objForm.name.value);
		objForm.name.focus();
		return false;
	}
	
	if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(trim(objForm.llmhgyt.value)))){
		alert("Please enter a valid email address for yourself.");
		objForm.llmhgyt.value = trim(objForm.llmhgyt.value);
		objForm.llmhgyt.focus();
		return false;
	}
	
	if (trim(objForm.number.value).length < 2){
		alert("Please enter your contact number.");
		objForm.number.value = trim(objForm.number.value);
		objForm.number.focus();
		return false;
	}
	
	return true;
	
}