function setLanguageLinks() {
	var start = location.pathname.lastIndexOf('/') + 1;
   	var end = location.href.length;
    		
   	var currentpage = location.pathname.substring(start, end);
   	
   	var grlink = document.getElementById('grlink');
    var enlink = document.getElementById('enlink');

   	var url = currentpage.split('.');
    	    	
    if (url[1] == 'el') { 
   		var englishpage = url[0] + '.en.' + url[2];
   		enlink.href = englishpage;
   		grlink.href = currentpage;
    }
    
    else if (url[1] == 'en') { 
    	var greekpage = url[0] + '.el.' + url[2];
    	enlink.href = currentpage;
    	grlink.href = greekpage;
    }
}