// JavaScript Document
var cImageFrame_screenY=0;
var cImageFrame_screenHeight=0;
function cImageFrame_TraceScreenY ()
{
	cImageFrame_screenHeight = screen.availHeight;
}
function cImageFrame_Init ()
{
	document.write('<div id="cImageFrame_Frameset"></div>');
	document.write('<div id="cImageFrame_Shadow"></div>');
}

function cImageFrame_LoadImage (imageName, imageTitle, frameWidth, frameHeight, framePositionX, framePositionY, framePadding)
{
	// Set padding
	framePadding = 4;
	
	// Define relation of position to frame and shadow
	
	framePositionY  = document.documentElement.scrollTop+(cImageFrame_screenHeight-frameHeight)/3;
	framePositionX -= 0;
	// alert("Available H:"+cImageFrame_screenHeight+", frameH:" + frameHeight +", result:"+framePositionY);
	framePositionY = parseInt(framePositionY);
	//alert(framePositionY);
	
	var frameset = document.getElementById("cImageFrame_Frameset");
	var shadow	 = document.getElementById("cImageFrame_Shadow");
	
	var ss  = '<img src="' + imageName +'" ';
		ss += 'alt="' + imageTitle +'" ' + 'title="'+ imageTitle + '" ';
		ss += 'border="0" />';
	frameset.innerHTML = ss;
	
	frameset.style.width = frameWidth+"px";
	frameset.style.height = frameHeight + "px";
	frameset.style.top = framePositionY + "px";
	frameset.style.left = framePositionX + "px";
	
	
	shadow.style.width = (frameWidth + framePadding*2) + "px";
	shadow.style.height = (frameHeight + framePadding*2) + "px";
	shadow.style.top = (framePositionY - framePadding) + "px";
	shadow.style.left = (framePositionX - framePadding) + "px";
	
	
	frameset.style.visibility = "visible";
	shadow.style.visibility = "visible";
}

function cImageFrame_RemoveImage () 
{
	var frameset = document.getElementById("cImageFrame_Frameset");
	var shadow	 = document.getElementById("cImageFrame_Shadow");
	
	frameset.style.visibility = "hidden";
	shadow.style.visibility = "hidden";
}