function tabs(idx){
 for(i = 1; i <= 10 ; i++ ){
 document.getElementById('tab'+i).className = "";
// document.getElementById('content'+i).className = "content hide";
 }
 document.getElementById('tab'+idx).className = "active";
// document.getElementById('content'+idx).className = "content show";
}


function toggleTabs(et,ec,mx,idx){
 for(i = 1; i <= mx ; i++ ){
 document.getElementById(et+i).className = "";
 document.getElementById(ec+i).className = "content hide";
 }
 document.getElementById(et+idx).className = "active";
 document.getElementById(ec+idx).className = "content show";
}

function iframeReSize(obj){
 obj = typeof obj == 'string' ? document.getElementByld(obj) : obj;
 obj.setExpression('height', 'contentWindow.document.body.scrollHeight + 10');
}