// JavaScript Document
var category_name;

function changecolor(tableCellRef) {
	//alert(tableCellRef)
	tableCellRef.style.backgroundColor = '#e31770';
	tableCellRef.style.fontcolor = '#ffffff';
	
								}
				function changecolor1(tableCellRef) {
	//alert(tableCellRef)
				tableCellRef.style.backgroundColor ='';
				
								}

//if (document.images) {
//  image1on = new Image();
//  image1on.src = "images/button/abt_us_on.jpg";
//  image2on = new Image();
//  image2on.src = "images/button/bus_on.jpg";
//  image3on = new Image();
//  image3on.src = "images/button/cap_on.jpg";
//  image4on = new Image();
//  image4on.src = "images/button/car_on.jpg";
//  image5on = new Image();
//  image5on.src = "images/button/news_on.jpg";
//  image6on = new Image();
//  image6on.src = "images/button/con_on.jpg";
//  
//  image1off = new Image();
//  image1off.src = "images/button/abt_us_off.jpg";
//  image2off = new Image();
//  image2off.src = "images/button/bus_off.jpg";
//  image3off = new Image();
//  image3off.src = "images/button/cap_off.jpg";
//  image4off = new Image();
//  image4off.src = "images/button/car_off.jpg";
//  image5off = new Image();
//  image5off.src = "images/button/news_off.jpg";
//  image6off = new Image();
//  image6off.src = "images/button/con_off.jpg";

//}
	
function changeImages() {
  if (document.images) {
	
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}

/*
//---------------------
var menu1=new Array()
menu1[0]='<table border="0" cellspacing="0" cellpadding="0" width="589" bgcolor="#000000" height="25"><tr class="trbgcolordropdown"><td align="left" class="white_text"><a href="about_us.asp" class="white_text">The Opportunity</a></td>'
menu1[1]='<td align="left" class="white_text"><a href="about_tatagroup.asp" class="white_text">Tata Group</a></td>'
menu1[2]='<td align="left" class="white_text"><a href="about_business.asp" class="white_text">Business Collaborations</a></td>'
menu1[3]='<td align="left" class="white_text"><a href="about_infrastructure.asp" class="white_text">Infrastructure<br></a></td><tr></table>'

//Contents for menu 2, and so on
var menu2=new Array()
menu2[0]='<table border="0" cellspacing="0" cellpadding="0" width="589" bgcolor="#000000" height="25"><tr class="trbgcolordropdown"><td align="left" class="white_text"><a href="business_defence.asp" class="white_text">Defence</a></td>'
menu2[1]='<td align="left" class="white_text"><a href="business_homeland.asp" class="white_text">Homeland Security Systems</a></td>'
menu2[2]='<td align="left" class="white_text"><a href="business_disaster.asp" class="white_text">Disaster Management</a></td>'
menu2[3]='<td align="left" class="white_text"><a href="business_offset.asp" class="white_text">Offset Business</a></td></tr></table>'


var menu3=new Array()
menu3[0]='<table border="0" cellspacing="0" cellpadding="0" width="589" bgcolor="#000000" height="25"><tr class="trbgcolordropdown"><td align="left" class="white_text"><a href="capabilities_network.asp" class="white_text">Network Centric Warfare Enablers</a></td>'
menu3[1]='<td align="left" class="white_text"><a href="capabilities_aero.asp" class="white_text">Aerospace and Avionics</a></td>'
menu3[2]='<td align="left" class="white_text"><a href="capabilities_electronic.asp" class="white_text">Electronic and Information</a></td></tr><tr>'
menu3[3]='<td align="left" class="white_text"><a href="capabilities_technologies.asp" class="white_text">Precision Technologies</a></td>'
menu3[4]='<td align="left" class="white_text"><a href="capabilities_surveillance.asp" class="white_text">Surveillance Technologies</a></td>'
menu3[5]='<td align="left" class="white_text"><a href="capabilities_marine.asp" class="white_text">Marine Applications</a></td></tr><tr><td colspan="3" align="left" class="white_text" height="5"></td></tr></table>'

var menu4=new Array()
menu4[0]='<table cellspacing="0" cellpadding="0"  width="588" bgcolor="#000000"><tr class="trbgcolordropdown"><td class="white_text" align="center"><a href="#" class="white_text"></a></td></tr></table>'

var menu5=new Array()
menu5[0]='<table cellspacing="0" cellpadding="0"  width="589" bgcolor="#000000"><tr class="trbgcolordropdown"><td class="white_text" align="left"><a href="news_releases.asp" class="white_text">News Releases</a></td>'
menu5[1]='<td class="white_text" align="left"><a href="news_information.asp" class="white_text">Useful Information</a></td></tr></table>'

var menu6=new Array()
menu6[0]='<table cellspacing="0" cellpadding="0"  width="589" bgcolor="#000000"><tr class="trbgcolordropdown"><td class="white_text" align="left"><a href="contact.asp" class="white_text">Corporate Office</a></td>'
menu6[1]='<td class="white_text" align="left"><a href="contact_company.asp" class="white_text">Company Locations</a></td></tr></table>'
	*/
var menuwidth='105px' //default menu width
var menubgcolor='#e0e1db'  //menu bgcolor
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+';color:#45328c" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top=-500
if (menuwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
}
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
obj.visibility=visible
else if (e.type=="click")
obj.visibility=hidden
}

function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
}
else{
var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
}
return edgeoffset
}

function populatemenu(what){
if (ie4||ns6)
dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth, objImg){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
populatemenu(menucontents)

if (ie4||ns6){
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
//dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.x=getposOffset(objImg, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
}

return clickreturnvalue()
}

function clickreturnvalue(){
if (ie4||ns6) return false
else return true
}

function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function dynamichide(e){
if (ie4&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}

function hidemenu(e){
if (typeof dropmenuobj!="undefined"){
if (ie4||ns6)
dropmenuobj.style.visibility="hidden"
}
}

function delayhidemenu(){
if (ie4||ns6)
delayhide=setTimeout("hidemenu()",disappeardelay)
}

function clearhidemenu(){
if (typeof delayhide!="undefined")
clearTimeout(delayhide)
}

if (hidemenu_onclick=="yes")
	{
	document.onclick=hidemenu
	}