var w3c = (document.getElementById) ?true:false;
var iex = (document.all)            ?true:false;
var ns4 = (document.layers)         ?true:false;
var supported = (w3c || iex)        ?true:false;

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
} 
function BF_showHideLayers() { //v6.0
  var i,p,v,obj,args=BF_showHideLayers.arguments;
  for (i=0; i<(args.length-1); i+=2) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+1];
    if (obj.style) { obj=obj.style; v=(v=='show')?'block':(v=='hide')?'none':v; }
    obj.display=v; }
} 
function showHideLayersAtMouse() { //v6.0
  var i,p,v,obj,args=showHideLayersAtMouse.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { 
     obj=obj.style; 
     v=(v=='show')?'visible':(v=='hide')?'hidden':v; 
     if(iex){
         mx  = window.event.clientX+document.body.scrollLeft;
         my  = window.event.clientY+document.body.scrollTop;
     }
     else if (w3c){
         mx  = evt.pageX+window.pageXOffset;
         my  = evt.pageY+window.pageYOffset;
     }
   }
   obj.visibility=v;
   obj.left = mx-60;
   obj.top  = my+15;
  }
} 

function changeClass(i,c){
 if(document.all) document.all(i).className=c;
 else if(document.getElementById)
  document.getElementById(i).className=c; 
}

function expandDiv(what) {
  if ((obj=MM_findObj(what))!=null) {
  	obj.style.visibility = (obj.style.visibility == "visible"?'hidden':'visible')
  }
}

function showObj(what) {obj=MM_findObj(what); obj.style.display = 'block';}
function hideObj(what) {obj=MM_findObj(what); obj.style.display = 'none';}

function dropMenu() {
		args=dropMenu.arguments;
		obj=MM_findObj(args[0])
		obj.style.visibility = (args[1]) ? "visible" : "hidden";
}
function MM_ShowLayers() { //v6.0
  var i,p,v,obj,args=MM_ShowLayers.arguments;
  for (i=0; i<args.length; i++) 
	if ((obj=MM_findObj(args[i]))!=null) {
	  if (obj.style) { obj.style.display = "block"; }
    }
}

function MM_HideLayers() { //v6.0
  var i,p,v,obj,args=MM_HideLayers.arguments;
  for (i=0; i<args.length; i++) 
	if ((obj=MM_findObj(args[i]))!=null) {
	  if (obj.style) { obj.style.display = "none"; }
    }
}

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;
  } }
}
// minipulates the css classes
function editCSSclass(){
	var i,j,tr,cname,v,myrules,args=editCSSclass.arguments;
	
	if (document.styleSheets[0].cssRules)
		myrules=document.styleSheets[0].cssRules
	else if (document.styleSheets[0].rules)
		myrules=document.styleSheets[0].rules
	
	for (i=0; i<(args.length-1); i+=2) {
  		cname='.'+args[i];
		v=args[i+1];
		for (j=0; j<myrules.length; j++){
			if(myrules[j].selectorText.toLowerCase()==cname){ 
				tr=myrules[j];
				break;
			}
		}
		if(tr) tr.style.display=v;
	}
}


function makeHttpRequest(url, callback_function, return_xml)
{
   var http_request = false;

   if (window.XMLHttpRequest) { // Mozilla, Safari,...
       http_request = new XMLHttpRequest();
       if (http_request.overrideMimeType) {
           http_request.overrideMimeType('text/xml');
       }

   } else if (window.ActiveXObject) { // IE
       try {
           http_request = new ActiveXObject("Msxml2.XMLHTTP");
       } catch (e) {
           try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
           } catch (e) {}
       }
   }

   if (!http_request) {
       alert('Unfortunatelly you browser doesn\'t support this feature.');
       return false;
   }
   http_request.onreadystatechange = function() {
       if (http_request.readyState == 4) {
           if (http_request.status == 200) {
               if (return_xml) {
                   eval(callback_function + '(http_request.responseXML)');
               } else {
                   eval(callback_function + '(http_request.responseText)');
               }
           } else {
               alert('There was a problem with the request.(Code: ' + http_request.status + ')');
           }
       }
   }
   http_request.open('GET', url, true);
   http_request.send(null);
}

function getHTTPObject() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } catch (E) { xmlhttp = false; }}
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {try { xmlhttp = new XMLHttpRequest(); } catch (e) { xmlhttp = false;}}
  return xmlhttp;
}

// specific to ImageWorksstudio to pop up the portfolio.
function popFlashPortfolio(){
	window.open('/iws_v3_portfolio/index.htm','flash_portfolio','status=yes,menubar=yes,resizable=yes,width=696,height=406');
	//return false;
}
// specific to ImageWorksstudio to pop up the portfolio.
function popPortfolio(){
	window.open('http://portfolio.imageworksstudio.com','iws_portfolio','width=685,height=550,resizable=1,scrollbars=1');
	//return false;
}

//new functions
function popTrade(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no, width=800, height=720, screenX=150,screenY=150,top=150,left=150')
}