//Adjust home page left height if neccessary
function scale() 
{
	var left = document.getElementById("middleLeft").offsetHeight;
 	var right1 = document.getElementById("middleRight").offsetHeight;
	var rightBottom = document.getElementById("middleBottom").offsetHeight;
	var right2 = right1 + rightBottom;
	if (left < right2)
  	{document.getElementById("middleLeft").style.height = right2+"px";}
}

//mimick x-cart dialog
function mimick() 
{	
	var myImage = document.getElementById("myImage").offsetHeight;
	var myData = document.getElementById("myData").offsetHeight;
	if(myImage > myData)
	{document.getElementById("myData").style.height = myImage+"px";	}
}

//PreLoad Images
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

//Browser Detection
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

if (BrowserDetect.browser == "Explorer") 
{var check = '1';}
else 
{var check = '0';}

//Calculate height of iframe for Samples
function calcHeight(id)
{
	//find the height of the internal page
	var the_height = document.getElementById(id).contentWindow.document.body.scrollHeight;
	//change the height of the iframe
	document.getElementById(id).height = the_height;
}

//Dynamic display of Answers for FAQ
function showFAQ(id)
{
	for (i=1; i<30; i++)
	{
		name1='q' + i;
		if (document.getElementById(name1))
		{
			name2='div_q' + i;
			if (id==name1)
			{
				document.getElementById(name2).style.display='block';
				document.getElementById(name1).style.color='#d76237';
				document.getElementById('start_faq').style.display='none';
			}
			if (id!=name1)
			{
				document.getElementById(name2).style.display='none';
				document.getElementById(name1).style.color='';
			}
		}
	}
}

//Dynamic display of tables for Other Ways to Save
function printTable(id)
{
	for (i=1; i<30; i++)
	{
		energy1='e' + i;
		energy2='div_e' + i;
		water1='wt' + i;
		water2='div_wt' + i;
		waste1='ws' + i;
		waste2='div_ws' + i;

		if (document.getElementById(energy1))
		{
			if (id==energy1)
			{document.getElementById(energy2).style.display='block';
			document.getElementById(energy1).style.color='#d76237';}
			if (id!=energy1)
			{document.getElementById(energy2).style.display='none';
			document.getElementById(energy1).style.color='';}
		}

		if (document.getElementById(water1))
		{
			if (id==water1)
			{document.getElementById(water2).style.display='block';
			document.getElementById(water1).style.color='#d76237';}
			if (id!=water1)
			{document.getElementById(water2).style.display='none';
			document.getElementById(water1).style.color='';}
		}

		if (document.getElementById(waste1))
		{
			if (id==waste1)
			{document.getElementById(waste2).style.display='block';
			document.getElementById(waste1).style.color='#d76237';}
			if (id!=waste1)
			{document.getElementById(waste2).style.display='none';
			document.getElementById(waste1).style.color='';}
		}
	}
}

//Display of guest responses for Project Planet
function responsePP(id, x)
{
	document.getElementById('responsepp').style.color='#d76237';
	for (i=0; i<x; i++)
	{
		name1='guest' + i;
		//name1=i;
		name2=name1+'_next';
		name3=name1+'_back';
		if (id==i)
		{
			document.getElementById(name1).style.display='block';
			document.getElementById(name2).style.display='block';
			document.getElementById(name3).style.display='block';
			document.getElementById('start').style.display='none';
		}
		else
		{
			document.getElementById(name1).style.display='none';
			document.getElementById(name2).style.display='none';
			document.getElementById(name3).style.display='none';
		}
	}
}
	
//clearing Project Planet Guest Responses
function removePP(x)
{
	document.getElementById('responsepp').style.color='#f3dfab';
	for (i=0; i<x; i++)
	{
		name1='guest' + i;
		//name1=i;
		name2=name1+'_next';
		name3=name1+'_back';
		document.getElementById(name1).style.display='none';
		document.getElementById(name2).style.display='none';
		document.getElementById(name3).style.display='none';
	}
}

//Display of guest responses for Conserving For Tomorrow
function responseCFT(id, x)
{
	document.getElementById('responsecft').style.color='#d76237';
	for (i=0; i<x; i++)
	{
		name1='cft' + i;
		name2=name1+'_next';
		name3=name1+'_back';
		if (id==i)
		{
			document.getElementById(name1).style.display='block';
			document.getElementById(name2).style.display='block';
			document.getElementById(name3).style.display='block';
			document.getElementById('start').style.display='none';
		}
		else
		{
			document.getElementById(name1).style.display='none';
			document.getElementById(name2).style.display='none';
			document.getElementById(name3).style.display='none';
		}
	}
}

//clearing Conserving For Tomorrow guest responses
function removeCFT(x)
{
	document.getElementById('responsecft').style.color='#f3dfab';
	for (i=0; i<x; i++)
	{
		name1='cft' + i;
		name2=name1+'_next';
		name3=name1+'_back';
		document.getElementById(name1).style.display='none';
		document.getElementById(name2).style.display='none';
		document.getElementById(name3).style.display='none';
	}
}

//Hotel Endorsements for Project Planet ++
function endorsePP(id, x)
{
	document.getElementById('endorsepp').style.color='#d76237';
	for (i=0; i<x; i++)
	{
		name1='hotelpp' + i;
		name2=name1+'_next';
		name3=name1+'_back';
		if (id==i)
		{
			document.getElementById(name1).style.display='block';
			document.getElementById(name2).style.display='block';
			document.getElementById(name3).style.display='block';
			document.getElementById('start').style.display='none';
		}
		else
		{
			document.getElementById(name1).style.display='none';
			document.getElementById(name2).style.display='none';
			document.getElementById(name3).style.display='none';
		}
	}
}
//clearing Project Planet hotel endorsements
function removeHotelPP(x)
{
	document.getElementById('endorsepp').style.color='#f3dfab';
	for (i=0; i<x; i++)
	{
		name1='hotelpp' + i;
		name2=name1+'_next';
		name3=name1+'_back';
		document.getElementById(name1).style.display='none';
		document.getElementById(name2).style.display='none';
		document.getElementById(name3).style.display='none';
	}
}

//Non-Random display of hotel endorsements for Conserving For Tomorrow
function endorseCFT(id, x)
{
	document.getElementById('endorsecft').style.color='#d76237';
	for (i=0; i<x; i++)
	{
		name1='hotelcft' + i;
		name2=name1+'_next';
		name3=name1+'_back';
		if (id==i)
		{
			document.getElementById(name1).style.display='block';
			document.getElementById(name2).style.display='block';
			document.getElementById(name3).style.display='block';
			document.getElementById('start').style.display='none';
		}
		else
		{
			document.getElementById(name1).style.display='none';
			document.getElementById(name2).style.display='none';
			document.getElementById(name3).style.display='none';
		}
	}
}
//clearing Conserving For Tomorrow hotel endorsements
function removeHotelCFT(x)
{
	document.getElementById('endorsecft').style.color='#f3dfab';
	for (i=0; i<x; i++)
	{
		name1='hotelcft' + i;
		name2=name1+'_next';
		name3=name1+'_back';
		document.getElementById(name1).style.display='none';
		document.getElementById(name2).style.display='none';
		document.getElementById(name3).style.display='none';
	}
}