// Format textbox as US phone number.
function phoneFormat(field, e)
{
    var i;
    var kc;
    var digits='0123456789'; 
  
    if(e.keyCode == 8) return true;
    kc = (e.keyCode) ? e.keyCode : e.which
    var c = String.fromCharCode(kc);
        
    // strip current value of invalid characters    
    var s = field.value;
    var n = ''
    for(i=0; i < s.length; i++){
        if (digits.indexOf(s.charAt(i))>=0)
            n = n.concat(s.charAt(i));
    }       
    
    // Format the phone number
    if (n.length > 15)
        field.value = '(' + n.substring(0,3) + ') ' + n.substring(3,6) + '-' + n.substring(6,10) + ' Ext.' + n.substring(10,15);
    else if (n.length > 10)
        field.value = '(' + n.substring(0,3) + ') ' + n.substring(3,6) + '-' + n.substring(6,10) + ' Ext.' + n.slice(10);          
    else if (n.length > 6)
        field.value = '(' + n.substring(0,3) + ') ' + n.substring(3,6) + '-' + n.slice(6);
    else if (n.length > 5)
        field.value = '(' + n.substring(0,3) + ') ' + n.substring(3,6) + '-';
    else if(n.length > 3)
        field.value = '(' + n.substring(0,3) + ') ' + n.slice(3);
    else
        field.value = n;
   
    return true;
}
//动态新闻
function newstoshow(id){

	if(id==1){
		document.getElementById("news2").style.display="none";
		document.getElementById("news3").style.display="none";
		document.getElementById("news4").style.display="none";
		document.getElementById("news5").style.display="none";
		document.getElementById("news6").style.display="none";
		document.getElementById("news1").style.display="";
	}else if(id==2){
		document.getElementById("news1").style.display="none";
		document.getElementById("news3").style.display="none";
		document.getElementById("news4").style.display="none";
		document.getElementById("news5").style.display="none";
		document.getElementById("news6").style.display="none";
		document.getElementById("news2").style.display="";
	}
	else if(id==3){
		document.getElementById("news1").style.display="none";
		document.getElementById("news2").style.display="none";
		document.getElementById("news4").style.display="none";
		document.getElementById("news5").style.display="none";
		document.getElementById("news6").style.display="none";
		document.getElementById("news3").style.display="";
	}
	else if(id==4){
		document.getElementById("news1").style.display="none";
		document.getElementById("news3").style.display="none";
		document.getElementById("news3").style.display="none";
		document.getElementById("news5").style.display="none";
		document.getElementById("news6").style.display="none";
		document.getElementById("news4").style.display="";
	}
	else if(id==5){
		document.getElementById("news1").style.display="none";
		document.getElementById("news3").style.display="none";
		document.getElementById("news4").style.display="none";
		document.getElementById("news2").style.display="none";
		document.getElementById("news6").style.display="none";
		document.getElementById("news5").style.display="";
	}
	else if(id==6){
		document.getElementById("news1").style.display="none";
		document.getElementById("news3").style.display="none";
		document.getElementById("news4").style.display="none";
		document.getElementById("news5").style.display="none";
		document.getElementById("news2").style.display="none";
		document.getElementById("news6").style.display="";
	}
}
//资质

function QualificationToShow(id){

	if(id==1){
		document.getElementById("quan2").style.display="none";
		document.getElementById("quan3").style.display="none";
		document.getElementById("quan1").style.display="";
		document.getElementById("QuanShow1").className="index_body_zz_top_navon";
		document.getElementById("QuanShow2").className="";
		document.getElementById("QuanShow3").className="";
	}else if(id==2){
		document.getElementById("quan1").style.display="none";
		document.getElementById("quan3").style.display="none";
		document.getElementById("quan2").style.display="";
		document.getElementById("QuanShow2").className="index_body_zz_top_navon";
		document.getElementById("QuanShow1").className="";
		document.getElementById("QuanShow3").className="";
	}
	else if(id==3){
		document.getElementById("quan1").style.display="none";
		document.getElementById("quan2").style.display="none";
		document.getElementById("quan3").style.display="";
		document.getElementById("QuanShow3").className="index_body_zz_top_navon";
		document.getElementById("QuanShow2").className="";
		document.getElementById("QuanShow1").className="";
	}
}
//基本讯息
function baseshow(id){

	if(id==1){
		document.getElementById("base2").style.display="none";
		document.getElementById("base3").style.display="none";
		document.getElementById("base4").style.display="none";
		document.getElementById("base5").style.display="none";
		document.getElementById("base1").style.display="";
	}else if(id==2){
		document.getElementById("base2").style.display="";
		document.getElementById("base3").style.display="none";
		document.getElementById("base4").style.display="none";
		document.getElementById("base5").style.display="none";
		document.getElementById("base1").style.display="none";
	}
	else if(id==3){
		document.getElementById("base2").style.display="none";
		document.getElementById("base3").style.display="";
		document.getElementById("base4").style.display="none";
		document.getElementById("base5").style.display="none";
		document.getElementById("base1").style.display="none";
	}
	else if(id==4){
		document.getElementById("base2").style.display="none";
		document.getElementById("base3").style.display="none";
		document.getElementById("base4").style.display="";
		document.getElementById("base5").style.display="none";
		document.getElementById("base1").style.display="none";
	}
	else if(id==5){
		document.getElementById("base2").style.display="none";
		document.getElementById("base3").style.display="none";
		document.getElementById("base4").style.display="none";
		document.getElementById("base5").style.display="";
		document.getElementById("base1").style.display="none";
	}
}
//留学规划
function lxghshow(id){

	if(id==1){
		document.getElementById("lxgh2").style.display="none";
		document.getElementById("lxgh3").style.display="none";
		document.getElementById("lxgh4").style.display="none";
		document.getElementById("lxgh5").style.display="none";
		document.getElementById("lxgh1").style.display="";
	}else if(id==2){
		document.getElementById("lxgh2").style.display="";
		document.getElementById("lxgh3").style.display="none";
		document.getElementById("lxgh4").style.display="none";
		document.getElementById("lxgh5").style.display="none";
		document.getElementById("lxgh1").style.display="none";
	}
	else if(id==3){
		document.getElementById("lxgh2").style.display="none";
		document.getElementById("lxgh3").style.display="";
		document.getElementById("lxgh4").style.display="none";
		document.getElementById("lxgh5").style.display="none";
		document.getElementById("lxgh1").style.display="none";
	}
	else if(id==4){
		document.getElementById("lxgh2").style.display="none";
		document.getElementById("lxgh3").style.display="none";
		document.getElementById("lxgh4").style.display="";
		document.getElementById("lxgh5").style.display="none";
		document.getElementById("lxgh1").style.display="none";
	}
	else if(id==5){
		document.getElementById("lxgh2").style.display="none";
		document.getElementById("lxgh3").style.display="none";
		document.getElementById("lxgh4").style.display="none";
		document.getElementById("lxgh5").style.display="";
		document.getElementById("lxgh1").style.display="none";
	}
}

//入学考试
function rxksshow(id){

	if(id==1){
		document.getElementById("rxks2").style.display="none";
		document.getElementById("rxks3").style.display="none";
		document.getElementById("rxks4").style.display="none";
		document.getElementById("rxks5").style.display="none";
		document.getElementById("rxks6").style.display="none";
		document.getElementById("rxks7").style.display="none";
		document.getElementById("rxks1").style.display="";
	}else if(id==2){
		document.getElementById("rxks2").style.display="";
		document.getElementById("rxks3").style.display="none";
		document.getElementById("rxks4").style.display="none";
		document.getElementById("rxks5").style.display="none";
		document.getElementById("rxks6").style.display="none";
		document.getElementById("rxks7").style.display="none";
		document.getElementById("rxks1").style.display="none";
	}
	else if(id==3){
		document.getElementById("rxks2").style.display="none";
		document.getElementById("rxks3").style.display="";
		document.getElementById("rxks4").style.display="none";
		document.getElementById("rxks5").style.display="none";
		document.getElementById("rxks6").style.display="none";
		document.getElementById("rxks7").style.display="none";
		document.getElementById("rxks1").style.display="none";
	}
	else if(id==4){
		document.getElementById("rxks2").style.display="none";
		document.getElementById("rxks3").style.display="none";
		document.getElementById("rxks4").style.display="";
		document.getElementById("rxks5").style.display="none";
		document.getElementById("rxks6").style.display="none";
		document.getElementById("rxks7").style.display="none";
		document.getElementById("rxks1").style.display="none";
	}
	else if(id==5){
		document.getElementById("rxks2").style.display="none";
		document.getElementById("rxks3").style.display="none";
		document.getElementById("rxks4").style.display="none";
		document.getElementById("rxks5").style.display="";
		document.getElementById("rxks6").style.display="none";
		document.getElementById("rxks7").style.display="none";
		document.getElementById("rxks1").style.display="none";
	}
	else if(id==6){
		document.getElementById("rxks2").style.display="none";
		document.getElementById("rxks3").style.display="none";
		document.getElementById("rxks4").style.display="none";
		document.getElementById("rxks5").style.display="none";
		document.getElementById("rxks6").style.display="";
		document.getElementById("rxks7").style.display="none";
		document.getElementById("rxks1").style.display="none";
	}
	else if(id==7){
		document.getElementById("rxks2").style.display="none";
		document.getElementById("rxks3").style.display="none";
		document.getElementById("rxks4").style.display="none";
		document.getElementById("rxks5").style.display="none";
		document.getElementById("rxks6").style.display="none";
		document.getElementById("rxks7").style.display="";
		document.getElementById("rxks1").style.display="none";
	}
}

//国家动态新闻
function CountryNewsShow(id){

	if(id==1){
		document.getElementById("cnews2").style.display="none";
		document.getElementById("cnews3").style.display="none";
		document.getElementById("cnews4").style.display="none";
		document.getElementById("cnews5").style.display="none";
		document.getElementById("cnews1").style.display="";
	}else if(id==2){
		document.getElementById("cnews2").style.display="";
		document.getElementById("cnews3").style.display="none";
		document.getElementById("cnews4").style.display="none";
		document.getElementById("cnews5").style.display="none";
		document.getElementById("cnews1").style.display="none";
	}
	else if(id==3){
		document.getElementById("cnews2").style.display="none";
		document.getElementById("cnews3").style.display="";
		document.getElementById("cnews4").style.display="none";
		document.getElementById("cnews5").style.display="none";
		document.getElementById("cnews1").style.display="none";
	}
	else if(id==4){
		document.getElementById("cnews2").style.display="none";
		document.getElementById("cnews3").style.display="none";
		document.getElementById("cnews4").style.display="";
		document.getElementById("cnews5").style.display="none";
		document.getElementById("cnews1").style.display="none";
	}
	else if(id==5){
		document.getElementById("cnews2").style.display="none";
		document.getElementById("cnews3").style.display="none";
		document.getElementById("cnews4").style.display="none";
		document.getElementById("cnews5").style.display="";
		document.getElementById("cnews1").style.display="none";
	}
}


//排名论坛 
function CountryPMLTShow(id){

	if(id==1){
		document.getElementById("pmlt2").style.display="none";
		document.getElementById("pmlt3").style.display="none";
		document.getElementById("pmlt4").style.display="none";
		document.getElementById("pmlt5").style.display="none";
		document.getElementById("pmlt1").style.display="";
	}else if(id==2){
		document.getElementById("pmlt2").style.display="";
		document.getElementById("pmlt3").style.display="none";
		document.getElementById("pmlt4").style.display="none";
		document.getElementById("pmlt5").style.display="none";
		document.getElementById("pmlt1").style.display="none";
	}
	else if(id==3){
		document.getElementById("pmlt2").style.display="none";
		document.getElementById("pmlt3").style.display="";
		document.getElementById("pmlt4").style.display="none";
		document.getElementById("pmlt5").style.display="none";
		document.getElementById("pmlt1").style.display="none";
	}
	else if(id==4){
		document.getElementById("pmlt2").style.display="none";
		document.getElementById("pmlt3").style.display="none";
		document.getElementById("pmlt4").style.display="";
		document.getElementById("pmlt5").style.display="none";
		document.getElementById("pmlt1").style.display="none";
	}
	else if(id==5){
		document.getElementById("pmlt2").style.display="none";
		document.getElementById("pmlt3").style.display="none";
		document.getElementById("pmlt4").style.display="none";
		document.getElementById("pmlt5").style.display="";
		document.getElementById("pmlt1").style.display="none";
	}
}

//名校申请基础 
function CountryMXSQJCShow(id){

	if(id==1){
		document.getElementById("sqjc2").style.display="none";
		document.getElementById("sqjc3").style.display="none";
		document.getElementById("sqjc4").style.display="none";
		document.getElementById("sqjc5").style.display="none";
		document.getElementById("sqjc1").style.display="";
	}else if(id==2){
		document.getElementById("sqjc2").style.display="";
		document.getElementById("sqjc3").style.display="none";
		document.getElementById("sqjc4").style.display="none";
		document.getElementById("sqjc5").style.display="none";
		document.getElementById("sqjc1").style.display="none";
	}
	else if(id==3){
		document.getElementById("sqjc2").style.display="none";
		document.getElementById("sqjc3").style.display="";
		document.getElementById("sqjc4").style.display="none";
		document.getElementById("sqjc5").style.display="none";
		document.getElementById("sqjc1").style.display="none";
	}
	else if(id==4){
		document.getElementById("sqjc2").style.display="none";
		document.getElementById("sqjc3").style.display="none";
		document.getElementById("sqjc4").style.display="";
		document.getElementById("sqjc5").style.display="none";
		document.getElementById("sqjc1").style.display="none";
	}
	else if(id==5){
		document.getElementById("sqjc2").style.display="none";
		document.getElementById("sqjc3").style.display="none";
		document.getElementById("sqjc4").style.display="none";
		document.getElementById("sqjc5").style.display="";
		document.getElementById("sqjc1").style.display="none";
	}
}