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_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_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}


/*************************************************************************
  This code is from Dynamic Web Coding at http://www.dyn-web.com/
  Copyright 2001-3 by Sharon Paine 
  See Terms of Use at http://www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/

// resize fix for ns4
var origWidth, origHeight;
if (document.layers) {
	origWidth = window.innerWidth; origHeight = window.innerHeight;
	window.onresize = function() { if (window.innerWidth != origWidth || window.innerHeight != origHeight) history.go(0); }
}

var cur_lyr;	// holds id of currently visible layer
function swapLayers(id) {
  if (cur_lyr) hideLayer(cur_lyr);
  showLayer(id);
  cur_lyr = id;
}

function showLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.display = "block";
}

function hideLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.display = "none";
}

function getElemRefs(id) {
	var el = (document.getElementById)? document.getElementById(id): (document.all)? document.all[id]: (document.layers)? getLyrRef(id,document): null;
	if (el) el.css = (el.style)? el.style: el;
	return el;
}

// get reference to nested layer for ns4
// from old dhtmllib.js by Mike Hall of www.brainjar.com
function getLyrRef(lyr,doc) {
	if (document.layers) {
		var theLyr;
		for (var i=0; i<doc.layers.length; i++) {
	  	theLyr = doc.layers[i];
			if (theLyr.name == lyr) return theLyr;
			else if (theLyr.document.layers.length > 0) 
	    	if ((theLyr = getLyrRef(lyr,theLyr.document)) != null)
					return theLyr;
	  }
		return null;
  }
}


///footer positoin ////

		function getWindowHeight() {
			var windowHeight = 0;
			if (typeof(window.innerHeight) == 'number') {
				windowHeight = window.innerHeight;
			}
			else {
				if (document.documentElement && document.documentElement.clientHeight) {
					windowHeight = document.documentElement.clientHeight;
				}
				else {
					if (document.body && document.body.clientHeight) {
						windowHeight = document.body.clientHeight;
					}
				}
			}
			return windowHeight;
		}
		function setFooter() {
			if (document.getElementById) {
				var windowHeight = getWindowHeight();
				if (windowHeight > 0) {
					var contentHeight = document.getElementById('container').offsetHeight;
					var footerElement = document.getElementById('footer');
					var footerHeight  = footerElement.offsetHeight;
					if (windowHeight - (contentHeight + footerHeight) >= 0) {
						footerElement.style.top = (windowHeight - (contentHeight + footerHeight)) + 'px';
					}
					else {
						footerElement.style.top = '0px';
					}
				}
			}
		}
		window.onload = function() {
			setFooter();
		}
		window.onresize = function() {
			setFooter();
		}
		
		
/////////////////
function ShowProduct(sqno){
    /*
    slen = sheetcat.length;
    if (slen==1){
        return;
    }else{
        for(i=0;i<slen;i++){
            if (sheetcat[i].sheetcat_sqno==sqno){
                sheetcat[i].bgcolor="white";
            }else{
                sheetcat[i].bgcolor="silver";
            }
        }
    }
    */
    slen = sheetlabel.length;
    if (slen==1){
        return;
    }else{
        for(i=0;i<slen;i++){
            if (sheetlabel[i].sheetcat_sqno==sqno){
                sheethead_left[i].src="images/st_bg_l1_ov.gif";
                sheethead[i].background="images/st_bg_u_ov.gif";
                sheethead_right[i].src="images/st_bg_r1_ov.gif";
                sheetlabel_left[i].background="images/st_bg_l2_ov.gif";
                sheetlabel[i].style.background="#e2e2e2";
                sheetlabel[i].style.color="#000";

                sheetlabel_right[i].background="images/st_bg_r2_ov.gif";
                sheetfoot_left[i].style.background="#e2e2e2";
                sheetfoot[i].style.background="#e2e2e2";
                sheetfoot_right[i].style.background="#e2e2e2";

            }else{
                sheethead_left[i].src="images/st_bg_l1.gif";
                sheethead[i].background="images/st_bg_u.gif";
                sheethead_right[i].src="images/st_bg_r1.gif";
                sheetlabel_left[i].background="images/st_bg_l2.gif";
                sheetlabel[i].style.background="#fff";
                sheetlabel_right[i].background="images/st_bg_r2.gif";
                sheetfoot_left[i].style.background="#e2e2e2";
                sheetfoot[i].style.background="#e2e2e2";
                sheetfoot_right[i].style.background="#e2e2e2";
            }
        }
    }
    slen = sheetmain.length;
    if (slen==1){
        return;
    }else{
        for(i=0;i<slen;i++){
            if (sheetmain[i].sheet_sqno==sqno){
                sheetmain[i].style.display="block";
            }else{
                sheetmain[i].style.display="none";
            }
        }
    }
}