/************ START functions ********************/

window.addEvent('domready', function(){

    /* all external links now open in new window */
    $$('a.external').each(function(e){
	    e.addEvent('click', function(ev){
		    ev = new Event(ev).stop();
		    window.open(e.getProperty('href'), '_blank');
	    });
    });
    
    //get all text replace elements if IE6
    if (Browser.Engine.trident && Browser.Engine.version === 4){
        var textReplaceEls = $$('.hastextreplace');
        
        textReplaceEls.each(function(el){
            var strFilter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='IMAGESOURCE')";
            var newFilter = strFilter.replace('IMAGESOURCE', el.getStyle('background-image'));
            newFilter = newFilter.replace('url(', '');
            newFilter = newFilter.replace(")'", "'");
            
            el.setStyles({
                'background': "url('" + blankImg + "') repeat-x top left",
                'filter': newFilter
            });

        });        
    }
    
});