var agt=navigator.userAgent.toLowerCase();

var showflag=false;
var id=null;
var onname="";

function getObject(id){
  if(document.getElementById) // IE >= 5.0 or NN >= 6.0
    return document.getElementById(id); 
  else if(document.all) // IE 4
    return document.all(id);
  else if(document.layers) // NN 4
    return document.layers[id];
  else  
    return false; 
}

function show(name, x, y, elsh, elh1, elh2,elh4){
	if(elsh=='el1') { 
	document['el1'].src="i-new/buttons/btn-motor-yachts-active.gif";
	getObject(elh1).src="i-new/buttons/btn-sailing-yachts-inactive.gif";
	getObject(elh2).src="i-new/buttons/btn-sport-fisherman-inactive.gif";
	getObject(elh4).src="i-new/buttons/btn-boats-and-cruisers-inactive.gif";
	getObject('elem2').style.visibility='hidden';
	getObject('elem3').style.visibility='hidden';
	getObject('elem4').style.visibility='hidden';
	getObject('elem4').visibility='hide';
	getObject('elem2').visibility='hide';
	getObject('elem3').visibility='hide';
	}
	if(elsh=='el2') { 
	getObject(elsh).src="i-new/buttons/btn-sailing-yachts-active.gif";
	getObject(elh1).src="i-new/buttons/btn-motor-yachts-inactive.gif";
	getObject(elh2).src="i-new/buttons/btn-sport-fisherman-inactive.gif";
	getObject(elh4).src="i-new/buttons/btn-boats-and-cruisers-inactive.gif";
	getObject('elem1').style.visibility='hidden';
	getObject('elem3').style.visibility='hidden';
	getObject('elem4').style.visibility='hidden';
	getObject('elem4').visibility='hide';
	getObject('elem1').visibility='hide';
	getObject('elem3').visibility='hide';
	}
	if(elsh=='el3') { 
	getObject(elsh).src="i-new/buttons/btn-sport-fisherman-active.gif";
	getObject(elh1).src="i-new/buttons/btn-sailing-yachts-inactive.gif";
	getObject(elh2).src="i-new/buttons/btn-motor-yachts-inactive.gif";
	getObject(elh4).src="i-new/buttons/btn-boats-and-cruisers-inactive.gif";
	getObject('elem1').style.visibility='hidden';
	getObject('elem2').style.visibility='hidden';
	getObject('elem4').style.visibility='hidden';
	}
	if(elsh=='el4') { 
	getObject(elsh).src="i-new/buttons/btn-boats-and-cruisers-active.gif";
	getObject(elh1).src="i-new/buttons/btn-sailing-yachts-inactive.gif";
	getObject(elh2).src="i-new/buttons/btn-motor-yachts-inactive.gif";
	getObject(elh4).src="i-new/buttons/btn-sport-fisherman-inactive.gif";
	getObject('elem1').style.visibility='hidden';
	getObject('elem2').style.visibility='hidden';
	getObject('elem3').style.visibility='hidden';
	}
	killtimer();
	if(showflag) hide();
	strAppVersion = navigator.appVersion;	
	if (strAppVersion.indexOf('Macintosh') != -1)
		{			  
			if(document.all)
			{
			getObject(name).style.left=((document.body.clientWidth>=752)?(Math.floor(document.body.clientWidth/2-359)):32);
			 }
			else if(!document.layers)
				{
			getObject(name).style.left=((window.innerWidth>=752)?(Math.floor(window.innerWidth/2-369)):15);
			 }
			else
			{
			  getObject(name).style.left=((window.innerWidth>=990)?(Math.floor(window.innerWidth/2-468)):42);
			}
		}
	else
		{
			if(document.all)
			{
			getObject(name).style.left=((document.body.clientWidth>=990)?(Math.floor(document.body.clientWidth/2-359)):32);
			 }
			else if(!document.layers)
				{
			getObject(name).style.left=((window.innerWidth>=752)?(Math.floor(window.innerWidth/2-369)):15);
			 }
			else
			{
			  getObject(name).style.left=((window.innerWidth>=990)?(Math.floor(window.innerWidth/2-468)):42);
			}		
		}
		
	if(!document.layers){	
	  getObject(name).style.top=y;
	  getObject(name).style.visibility='visible';
	} else {
	    getObject(name).top=y;
	    getObject(name).visibility='show';
	  }
	showflag=true;
	onname=name;
}

function killtimer(){
  if(id!=null){
		clearTimeout(id);
		id=null;
	}
	return true;
}

function hide(){
	if(id!=null) 
	  killtimer();
	
	if(showflag){
		if(document.layers)
		  getObject(onname).visibility='hide';
		else
		  getObject(onname).style.visibility='hidden';
	}
	showflag=false;
	onname="";
}

function resetcool(){
    killtimer();
	id = setTimeout('hide()', 100);
}

function make_centeredbuttons(name) {
	strAppVersion = navigator.appVersion;	
	if (strAppVersion.indexOf('Macintosh') != -1)
		{
			if(document.all)
			{
			getObject(name).style.left=((document.body.clientWidth>=752)?(Math.floor(document.body.clientWidth/2-499)):-13);
			 }
			else if(!document.layers)
				{
			getObject(name).style.left=((window.innerWidth>=752)?(Math.floor(window.innerWidth/2-399)):-15);
			 }
			else
			{
			  getObject(name).style.left=((window.innerWidth>=752)?(Math.floor(window.innerWidth/2-468)):42);
			}		
		}
	else
{
		if(document.all)
		{
		getObject(name).style.left=((document.body.clientWidth>=752)?(Math.floor(document.body.clientWidth/2-389)):-13);
		 }
		else if(!document.layers)
			{
		getObject(name).style.left=((window.innerWidth>=752)?(Math.floor(window.innerWidth/2-398)):-15);
		 }
		else
		{
		  getObject(name).style.left=((window.innerWidth>=752)?(Math.floor(window.innerWidth/2-468)):42);
		}
	}

}

function make_centered(name) {
	strAppVersion = navigator.appVersion;
	if (strAppVersion.indexOf('Macintosh') != -1)
	{
		if(document.all)
		{
		getObject(name).style.left=((document.body.clientWidth>=752)?(Math.floor(document.body.clientWidth/2-359)):17.5);
		 }
		else if(!document.layers)
			{
		getObject(name).style.left=((window.innerWidth>=752)?(Math.floor(window.innerWidth/2-369)):15);
		 }
		else
		{
		  getObject(name).style.left=((window.innerWidth>=765)?(Math.floor(window.innerWidth/2-468)):42);
		}	
	}
	else
	{
		if(document.all)
		{
		getObject(name).style.left=((document.body.clientWidth>=752)?(Math.floor(document.body.clientWidth/2-359)):17.5);
		 }
		else if(!document.layers)
			{
		getObject(name).style.left=((window.innerWidth>=752)?(Math.floor(window.innerWidth/2-369)):15);
		 }
		else
		{
		  getObject(name).style.left=((window.innerWidth>=765)?(Math.floor(window.innerWidth/2-468)):42);
		}
	}
}