function showhide(objin) {
    obj='nav'+objin;
    objarrow = 'arrow'+objin;
    if (document.all) {
	    if(eval(obj).style.display=='block') {
		    eval(obj).style.display='none';
		    imgOn = eval("arrowoff.src");
    	    document [objarrow].src = imgOn;
		    }
	    else {
		    eval(obj).style.display='block';
		    imgOn = eval("arrowon.src");
    	    document [objarrow].src = imgOn;
		    }
		
	    }
    else if (document.getElementById) {
	    if(document.getElementById(obj).style.display=="block") {
		    document.getElementById(obj).style.display="none";
		    imgOn = eval("arrowoff.src");
    	    document [objarrow].src = imgOn;
		    }
	    else {
		    document.getElementById(obj).style.display="block";
		    imgOn = eval("arrowon.src");
    	    document [objarrow].src = imgOn;
		    }
	    }
    }
    
function show(objin) {

    if (document.all) {
        eval(objin).style.display='block';
        }
    else if(document.getElementById) {        
        document.getElementById(objin).style.display="block";
        }
    }
	
function hide(obj) {

    //obj='nav'+obj;

    if (document.all) {
        eval(obj).style.display='none';
		
        }
    else if (document.getElementById) {
        document.getElementById(obj).style.display="none";
        }
    }
    
function hideall() {

    for(p=1;p<=500;p++) {
        obj='nav'+p;
        objarrow = 'arrow'+p;
    
        if (document.all) {
            if (typeof window[obj] !== 'undefined') {
                eval(obj).style.display='none';
                imgOn = eval("arrowoff.src");
	            document [objarrow].src = imgOn;
                }
            }
        else if (document.getElementById) {
            if (document.getElementById(obj) !== null) {
                document.getElementById(obj).style.display="none";
                imgOn = eval("arrowoff.src");
	            document [objarrow].src = imgOn;
                }
            }
            
        
	        
        }
    }        

function switchthemecolors(colorin) {
    if (document.all) {
            window["top-theme-back"].style.backgroundImage='url(images/pngbg_'+colorin+'.png)';
            window["top-theme-cover"].style.backgroundImage='url(images/pngnavcover_'+colorin+'.png)';
        }
    else if (document.getElementById) {
            document.getElementById("top-theme-back").style.backgroundImage='url(images/pngbg_'+colorin+'.png)';
            document.getElementById("top-theme-cover").style.backgroundImage='url(images/pngnavcover_'+colorin+'.png)';
        }
}

function switchthemeimages(imagein) {
    if (document.all) {
            window["top-theme-image"].style.backgroundImage='url(images/pngtheme_'+imagein+'.png)';
        }
    else if (document.getElementById) {
            document.getElementById("top-theme-image").style.backgroundImage='url(images/pngtheme_'+imagein+'.png)';
        }
}

if (document.images)
    {
        arrowon = new Image(0, 0);
        arrowon.src = "/images/navArrowDown.gif";
        arrowoff = new Image(0, 0);
        arrowoff.src = "/images/navArrow.gif";

    }


function switchTabs(whichone) {

    numtabs = 2;

    for (var x = 1; x <= numtabs; x++) {
        document.getElementById("left" + x).className = "tableftoff";
        document.getElementById("middle" + x).className = "tabmiddleoff";
        document.getElementById("right" + x).className = "tabrightoff";

        document.getElementById("tabtext" + x).className = "tab-off-text";

        document.getElementById("tab" + x).style.display = 'none'; 
    }

    document.getElementById("left" + whichone).className = "tablefton";
    document.getElementById("middle" + whichone).className = "tabmiddleon";
    document.getElementById("right" + whichone).className = "tabrighton";

    document.getElementById("tabtext" + whichone).className = "tab-on-text";
    
    document.getElementById("tab" + whichone).style.display = 'block';
    
}

function switchTabs_old(whichone) {
    var obj = document.getElementById("tabtop" + whichone + "on");
    var obj2 = document.getElementById("tabtop" + whichone + "off");

    if (whichone == "1") {
        objOther = document.getElementById("tabtop2on");
        objOther2 = document.getElementById("tabtop2off");
        whichother = "2";
    }
    else {
        objOther = document.getElementById("tabtop1on");
        objOther2 = document.getElementById("tabtop1off");
        whichother = "1";
    }
    if (obj.style.display == "none") {
        obj.style.display = "block";
        obj2.style.display = "none";
        objOther.style.display = "none";
        objOther2.style.display = "block";
        document.getElementById("tab" + whichone).style.display = 'block';
        document.getElementById("tab" + whichother).style.display = 'none';
    }
}

function changeImage(which) {
    roll_over('images/thumbTestImage' + which + '.jpg');
}

function roll_over(whichimage,img_src) {

    //alert(img_src);
    document.getElementById(whichimage).src = img_src;

}