function tabSwitch(new_tab, new_content, new_link) {
	document.getElementById('content_1').style.display = 'none';
	document.getElementById('content_2').style.display = 'none';
	document.getElementById('content_3').style.display = 'none';
	document.getElementById('content_4').style.display = 'none';
	document.getElementById(new_content).style.display = 'block';

	document.getElementById('TabLinks1').style.display = 'none';
	document.getElementById('TabLinks2').style.display = 'none';
	document.getElementById('TabLinks3').style.display = 'none';
	document.getElementById('TabLinks4').style.display = 'none';
	document.getElementById(new_link).style.display = 'block';

	document.getElementById('tab_1').className = '';
	document.getElementById('tab_2').className = '';
	document.getElementById('tab_3').className = '';
	document.getElementById('tab_4').className = '';
	document.getElementById(new_tab).className = 'active';
}

function menuClick(new_target) {
	document.getElementById('StoryContent1').style.display = 'none';
	document.getElementById('StoryContent2').style.display = 'none';
	document.getElementById('StoryContent3').style.display = 'none';
	document.getElementById('StoryContent4').style.display = 'none';
	document.getElementById(new_target).style.display = 'block';
}

function menuClick2(new_target2) {
	document.getElementById('ClientDetails').style.display = 'none';
	document.getElementById('Partners').style.display = 'none';
	document.getElementById('ClientList').style.display = 'none';
	document.getElementById('Testimonials').style.display = 'none';
	document.getElementById(new_target2).style.display = 'block';
}

//for Nav Bar Button state persistence
function navSelect(num) {
	var bnum = 'nb'+num;
	if(document.getElementById) {
		var imgover = "images/v1/topnav_b"+num+"_over.png";
		document.getElementById(bnum).src = imgover;
		document.getElementById(bnum).className = "active";
	}
}

//for Nav Bar Button state mouseover
function navMouseOver(num) {
	var bnum = 'nb'+num;
	if (document.getElementById) {
		document.getElementById(bnum).src = "images/v1/topnav_b"+num+"_over.png";
	}
}

//for Nav Bar Button state mousout
function navMouseOut(num) {
	var bnum = 'nb'+num;
	if (document.getElementById) {
		var status = document.getElementById(bnum).className;
		//check whether button is active
		if (status != "active") {
			document.getElementById(bnum).src = "images/v1/topnav_b"+num+".png";
		}
		else {
			document.getElementById(bnum).src = "images/v1/topnav_b"+num+"_over.png";
		}
	}
}

var fName="";

function selectMenu(mn) {
	var mnShort = ["hm", "nm", "sm", "cm"];
	var mnLong = ["home_menu_b", "story_menu_b", "success_menu_b", "contact_menu_b"];
	var indx = mnShort.indexOf(mn);
	fName = mnLong[indx];
	//return fName;
}

function mouseOver(mname, num) {
	selectMenu(mname);
	var bnum = mname+'b'+num;
	if (document.getElementById) {
		imgSrc = "images/v1/"+fName+num+"_over.png";
		document.getElementById(bnum).src = imgSrc;
	}
}

function mouseOut(mname, num) {
	selectMenu(mname);
	var bnum = mname+'b'+num;
	if (document.getElementById){
		var status = document.getElementById(bnum).className;
		if (status != "active"){
			imgSrc = "images/v1/"+fName+num+".png";
			document.getElementById(bnum).src = imgSrc;
		}
		else {
			imgSrc = "images/v1/"+fName+num+"_over.png";
			document.getElementById(bnum).src = imgSrc;
		}
	}
}

function mouseClick(mname, num) {
	selectMenu(mname);
	var bnum = mname+'b'+num;
	var bAll = mname+'b';
	if (document.getElementById){
		for (i=1; i<4; i++) {
			document.getElementById(bAll+i).src = "images/v1/"+fName+i+".png";
			document.getElementById(bAll+i).className = "";
		}
		document.getElementById(bnum).src = "images/v1/"+fName+num+"_over.png";
		document.getElementById(bnum).className = "active";
	}
}