//global variables
var KeyDownButton;

//sets the keydown button
function SetKeyDownButton(id)
{
	KeyDownButton=id;
}

function GetKeyDownButton()
{
	return KeyDownButton;
}

//returns an object & style of any element cross browser
function getObj(name)
{

	try {
		if (document.getElementById)
		{
			this.obj = document.getElementById(name);
			this.style = document.getElementById(name).style;
			
		}
		else if (document.all)
		{
			this.obj = document.all[name];
			this.style = document.all[name].style;
		}
		else if (document.layers)
		{
			this.obj = document.layers[name];
			this.style = document.layers[name];
		}
	}
	catch(er) {
		//alert("Missing object:" + name);
		this.obj=null;
		this.style=null;
	}
}


function MM_preloadImages() 
{
	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_swapImgRestore() 
{ 
     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_findObj(n, d) 
{ 
	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);
    return x;
}

function MM_swapImage() 
{ 
	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];
		}
	}
}