var sCoreSkillsImgDir = "images/core_skills";

var aClearImages = new Array();
aClearImages["research_process"] = sCoreSkillsImgDir + "/research_process.gif";
aClearImages["sketching"] = sCoreSkillsImgDir + "/2D_3D_sketching.gif";
aClearImages["cad_process"] = sCoreSkillsImgDir + "/cad_process.gif";


var aBlurImages = new Array();
aBlurImages["research_process"] = sCoreSkillsImgDir + "/research_process_blur.jpg";
aBlurImages["sketching"] = sCoreSkillsImgDir + "/2D_3D_sketching_blur.jpg";
aBlurImages["cad_process"] = sCoreSkillsImgDir + "/cad_process_blur.jpg";


function setupChosenImage(sItemID) {

	var oImage = new Image();
	oImage = document.getElementById(sItemID);
	
	/* Turn off mousover events */
	oImage.onmouseover = null;
	oImage.onmouseout = null;
	
	/* Unblur image */
	oImage.src = aClearImages[sItemID];
}

function setupDisplayImages(sChosenItemID) {
	
	blurImages(aBlurImages);
	setupMouseOvers(aClearImages);
	if (sChosenItemID != null) {
		setupChosenImage(sChosenItemID);
	}

}