// MAIN MENU
function menuHover(column,row)
	{
	var nextrow = row + 1;
	var previousrow = row - 1;
	if (document.getElementById('menu_'+column+'_'+nextrow))
		{
		document.getElementById('menu_'+column+'_'+nextrow).style.fontSize = '12pt';
		}
	if (document.getElementById('menu_'+column+'_'+previousrow))
		{
		document.getElementById('menu_'+column+'_'+previousrow).style.fontSize = '12pt';
		}
	document.getElementById('menu_'+column+'_'+row).style.fontSize = '13pt';
	}

function menuOut(column,row)
	{
	var nextrow = row + 1;
	var previousrow = row - 1;
	if (document.getElementById('menu_'+column+'_'+nextrow))
		{
		document.getElementById('menu_'+column+'_'+nextrow).style.fontSize = '11pt';
		}
	if (document.getElementById('menu_'+column+'_'+previousrow))
		{
		document.getElementById('menu_'+column+'_'+previousrow).style.fontSize = '11pt';
		}
	document.getElementById('menu_'+column+'_'+row).style.fontSize = '11pt';
	
	}

// DIV SLIDER
var timerlen = 5;
var slideAniLen = 250;

var timerID = new Array();
var startTime = new Array();
var obj = new Array();
var endHeight = new Array();
var moving = new Array();
var dir = new Array();

function enableSliders()
	{
	if(!document.getElementById || !document.getElementsByTagName) return;
	
	divBlocks=document.getElementsByTagName("div");
	
	for(i=0;i<divBlocks.length;i++)
		{
	    if (divBlocks[i].className=='slider_guts')
	    	{
	    	divBlocks[i].style.height = parseInt(divBlocks[i].offsetHeight,10) + 'px';
	    	}
	    }
	
	for(i=0;i<divBlocks.length;i++)
		{
	    if (divBlocks[i].className=='slider_guts')
	    	{
	    	divBlocks[i].style.display = 'none';
	    	}
	    }
	
	
	}

function slidedown(objname){
		
		if(moving[objname])
                return;
        
        if (document.getElementById(objname).style.display != "none")
    		{
    		slideup(objname);
            return; // cannot slide down something that is already visible
			}
        moving[objname] = true;
        dir[objname] = "down";
        startslide(objname);
}

function slideup(objname){
        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display == "none")
                return; // cannot slide up something that is already hidden

        moving[objname] = true;
        dir[objname] = "up";
        startslide(objname);
}

function startslide(objname){
		
        obj[objname] = document.getElementById(objname);
        
		if (obj[objname].style.height == 0 || obj[objname].style.height == '')
			{
			obj[objname].style.display='';
        	endHeight[objname] = parseInt(obj[objname].offsetHeight);
        	obj[objname].style.display='none';
        	}
        else
        	{
        	endHeight[objname] = parseInt(obj[objname].style.height);
        	}
        	
        startTime[objname] = (new Date()).getTime();

        if(dir[objname] == "down"){
                obj[objname].style.height = "1px";
        }

        obj[objname].style.display = "block";

        timerID[objname] = setInterval('slidetick(\'' + objname + '\');',timerlen);
}

function slidetick(objname){
        var elapsed = (new Date()).getTime() - startTime[objname];

        if (elapsed > slideAniLen)
                endSlide(objname)
        else {
                var d =Math.round(elapsed / slideAniLen * endHeight[objname]);
                if(dir[objname] == "up")
                        d = endHeight[objname] - d;

                obj[objname].style.height = d + "px";
        }

        return;
}

function endSlide(objname){
        clearInterval(timerID[objname]);

        if(dir[objname] == "up")
                obj[objname].style.display = "none";

        obj[objname].style.height = endHeight[objname] + "px";

        delete(moving[objname]);
        delete(timerID[objname]);
        delete(startTime[objname]);
        delete(endHeight[objname]);
        delete(obj[objname]);
        delete(dir[objname]);

        return;
}