// JavaScript Document


function setMenuTab(mynum){
	
	//set the tab class
	window.document.getElementById("nav"+mynum).className = "MenuTab";
	
	//set the left-edge class
	window.document.getElementById("nav"+(mynum-1)).className = "menutableft";
	
	//set the right-edge class
	window.document.getElementById("nav"+(mynum+1)).className = "menutabright";
	

}


function swapProjectImage(mainImageID, newPicFile, totalThumbs, newThumbID){
	
	if (window.document.images){
		
		//swap the main image
		//window.document[mainImageID].src=newPicFile;
		window.document.images.mainimage.src=newPicFile;
		
		//remove thumb highlights
		for (var i=0; i<totalThumbs; i++){
			window.document["thumb"+i].src="images/project_thumb_corners.gif";
		}
		
		//change the new thumb highlight
		window.document["thumb"+newThumbID].src="images/project_selected_corners.gif";
		
		//eliminate the focus rectangle on the clicked thumb
		window.document["thumb"+newThumbID].blur();
		
	}
}


function blurSelection(thumbID){
	
	if (window.document.images){
		//eliminate the focus rectangle on the clicked thumb
		window.document["thumb"+thumbID].blur();
	}
}