function showSmallTabContent(elementName) {
 var tab1 = document.getElementById("smalltabplans-content");
 var tab2 = document.getElementById("smalltabphones-content");
 tab1.style.display = (elementName == "smalltabplans-content") ? "block" : "none" ;
 tab2.style.display = (elementName == "smalltabphones-content") ? "block" : "none" ;
}


function showSmallTab (elementName) {	
 var tab1 = document.getElementById("small-tabs-plans");
 var tab2 = document.getElementById("small-tabs-phones");
 tab1.className = (elementName == "smalltabplans-content") ? "selectedtab" : "" ;
 tab2.className = (elementName == "smalltabphones-content") ? "selectedtab" : "" ;
 showSmallTabContent(elementName);
}