if (document.images){
// assigns two variables to two separate objects, the values of which we will identify later
	buttonOn = new Image
	buttonOff = new Image

// uses the .src property to fill the two objects with the GIF images
	theOnbutton = '/whatisintellitxt/images/menuOver.gif'
	theOffbutton = '/whatisintellitxt/images/menu.gif'
	clsBtnOn = '/whatisintellitxt/images/closeBtnOn.gif'
	clsBtn = '/whatisintellitxt/images/closeBtn.gif'

	}
// tells old browsers what to do so we don't get error messages
	else {
		buttonOn=""
		buttonOff=""
		document.button=""
	}


//the next 3 lines are browser detection for user-agent DOMS
ns4 = (document.layers) ? true:false //required for Functions to work
ie4 = (document.all) ? true:false //required for Functions to work
ng5 = (document.getElementById) ? true:false //required for Functions to work

function hideSec() {
if (ng5) document.getElementById('sec1').style.visibility = "hidden"
	else if (ns4) document.sec1.visibility = "hide"
	else if (ie4) sec1.style.visibility ="hidden"
	

if (ng5) document.getElementById('sec2').style.visibility = "hidden"
	else if (ns4) document.sec2.visibility = "hide"
	else if (ie4) sec2.style.visibility ="hidden"

if (ng5) document.getElementById('sec3').style.visibility = "hidden"
	else if (ns4) document.sec3.visibility = "hide"
	else if (ie4) sec3.style.visibility ="hidden"

if (ng5) document.getElementById('sec4').style.visibility = "hidden"
	else if (ns4) document.sec4.visibility = "hide"
	else if (ie4) sec4.style.visibility ="hidden"
	
if (ng5) document.getElementById('menu1').className	= "tabRegs"
	else if (ns4) document.menu1.className = "tabRegs"
	else if (ie4) menu1.className = "tabRegs"

if (ng5) document.getElementById('menu2').className	= "tabRegs"
	else if (ns4) document.menu2.className = "tabRegs"
	else if (ie4) menu2.className = "tabRegs"

if (ng5) document.getElementById('menu3').className	= "tabRegs"
	else if (ns4) document.menu3.className = "tabRegs"
	else if (ie4) menu3.className = "tabRegs"

if (ng5) document.getElementById('menu4').className	= "tabRegs"
	else if (ns4) document.menu4.className = "tabRegs"
	else if (ie4) menu4.className = "tabRegs"
	

}

function showSec(n) {
hideSec();
	if (ng5) document.getElementById('sec' + n).style.visibility = "visible";
	else if (ns4) document.layers["sec" + n].visibility = "show";
	else if (ie4) document.all["sec" + n].style.visibility = "visible";

	
	if (ng5) document.getElementById('menu' + n).className	= "tabOver";
	else if (ns4) document.layers["menu" + n].className	= "tabOver";
	else if (ie4) document.all["menu" + n].className	= "tabOver";
//	if (ng5) document.getElementById('button' + n).src = theOffbutton
}

function showAllSec(n) {
	if (ng5) document.getElementById('sec' + n).style.visibility = "visible";
	else if (ns4) document.layers["sec" + n].visibility = "show";
	else if (ie4) document.all["sec" + n].style.visibility = "visible";
}


function showForm (){
	if(ng5) document.getElementById('darkBackgroundLayer').style.visibility = 'visible';
	else if (ns4) document.getElementById.darkBackgroundLayer.visibility = "visible";
	else if (ie4) document.all.darkBackgroundLayer.style.visibility = "visible";

	
	if(ng5) document.getElementById('form').style.visibility = 'visible'
	else if (ns4) document.getElementById.form.visibility = "visible";
	else if (ie4) document.all.form.style.visibility = "visible";

}


function hideForm (){
	if(ng5) document.getElementById('darkBackgroundLayer').style.visibility = 'hidden';
	else if (ns4) document.getElementById.darkBackgroundLayer.visibility = "hide";
	else if (ie4) document.all.darkBackgroundLayer.style.visibility = "hidden";

	
	if(ng5) document.getElementById('form').style.visibility = 'hidden'
	else if (ns4) document.getElementById.form.visibility = "hide";
	else if (ie4) document.all.form.style.visibility = "hidden";

}


/*function fixImgs(whichId, maxH) {
var pix=document.getElementById(whichId).getElementsByTagName('img');
  for (i=0; i<pix.length; i++) {
    w=pix[i].width;
    h=pix[i].height;
    if (h > maxH) {
      f=1-((h - maxH) / h);
      pix[i].width=w * f;
      pix[i].height=h * f;
    }
  }
}
*/

function fixImgs(whichId, maxH, maxW) {
var pix=document.getElementById(whichId).getElementsByTagName('img');
  for (i=0; i<pix.length; i++) {
    w=pix[i].width;
    h=pix[i].height;
    
     
  
    if (w > maxW) {
      f=1-((w - maxW) / w);
      pix[i].width=w * f;
      pix[i].height=h * f;
      
      w=pix[i].width;
      h=pix[i].height;
    }
     if (h > maxH) {
        f=1-((h - maxH) / h);
        pix[i].width=w * f;
        pix[i].height=h * f;  
        
        if (navigator.userAgent.indexOf("MSIE") > -1) {
        //alert('nice');
        document.getElementById('maintab').style.top = "356px";
        document.getElementById('tcontent1').style.top = "383px";
        document.getElementById('tcontent2').style.top = "383px";
        document.getElementById('tcontent3').style.top = "383px";
        document.getElementById('tcontent4').style.top = "383px";
        document.getElementById('rightColumn').style.top = "361px";
        } else{
        document.getElementById('maintab').style.top = "360px";
        document.getElementById('tcontent1').style.top = "399px";
        document.getElementById('tcontent2').style.top = "399px";
        document.getElementById('tcontent3').style.top = "399px";
        document.getElementById('tcontent4').style.top = "399px";
        document.getElementById('rightColumn').style.top = "365px";
        }
        
    }   
   }    
}