/* scripts for rollovers */

function preload(imgObj,imgSrc) {
   eval(imgObj+' = new Image()')
   eval(imgObj+'.src = "'+imgSrc+'"')
}


preload('properties_on','../images/b_properties_over.gif');
preload('properties_off','../images/b_properties.gif');

preload('key_features_on','../images/b_key_features_over.gif');
preload('key_features_off','../images/b_key_features.gif');

preload('case_studies_on','../images/b_case_studies02_over.gif');
preload('case_studies_off','../images/b_case_studies02.gif');

preload('photo_gallery_on','../images/b_photo_gallery02_over.gif');
preload('photo_gallery_off','../images/b_photo_gallery02.gif');


function img_toggle( imgName, mode ) {

	if (theRollover != imgName) {	
   
   		if( document.images ) {
      		document[ imgName ].src = eval( imgName + "_" + mode + ".src" );
   		}
	}

}


// updates text description
function updateText(text) {
	document.getElementById("text-box-style02").innerHTML = text;
}

function superSwap(which) {
	
	theRollover = which;
	
	// set all buttons back to normal
	document[ 'properties' ].src = "../images/b_properties.gif";
	document[ 'key_features' ].src = "../images/b_key_features.gif";
	document[ 'case_studies' ].src = "../images/b_case_studies02.gif";
	document[ 'photo_gallery' ].src = "../images/b_photo_gallery02.gif";
	
	// set selected button
	if (which == "properties") {
		document[ 'properties' ].src = "../images/b_properties_over.gif";
	}
	if (which == "key_features") {
		document[ 'key_features' ].src = "../images/b_key_features_over.gif";
	}
	if (which == "case_studies") {
		document[ 'case_studies' ].src = "../images/b_case_studies02_over.gif";
	}
	if (which == "photo_gallery") {
		document[ 'photo_gallery' ].src = "../images/b_photo_gallery02_over.gif";
	}	
}