function cls(){
				with(event.srcElement)
				if(value==defaultValue) value=""
			}
			function res(){
				with(event.srcElement)
				if(value=="") value=defaultValue
			}
//滑动门JS
var tID=0;
function ShowTabs(ID){
 if(ID!=tID){
  document.getElementById("TabTitle"+tID).className='box_h';
  document.getElementById("TabTitle"+ID).className='box_s';
  document.getElementById("web"+tID).className='box_o';
  document.getElementById("web"+ID).className='box_t';
  tID=ID;
 }
}
function switchTag(tag,content,k,classty)
{
    var aclass,bclass,i,n
	if (classty=="boxa") { 
	    aclass = "a_box1";
		bclass = "a_box2";
		n = 2; 
   	 }
	 	if (classty=="boxb") { 
	    aclass = "c_box1";
		bclass = "c_box2";
		n = 2; 
   	 }
	 	if (classty=="boxc") { 
	    aclass = "a_box1";
		bclass = "a_box2";
		n = 2; 
   	 }
	 	if (classty=="boxd") { 
	    aclass = "b_box1";
		bclass = "b_box2";
		n = 5; 
   	 }
	 	if (classty=="boxe") { 
	    aclass = "c_box1";
		bclass = "c_box2";
		n = 2; 
   	 }
	 	if (classty=="boxf") { 
	    aclass = "a_box1";
		bclass = "a_box2";
		n = 2; 
   	 }
	 	if (classty=="boxg") { 
	    aclass = "b_box1";
		bclass = "b_box2";
		n = 5; 
   	 }
	 	if (classty=="boxh") { 
	    aclass = "c_box1";
		bclass = "c_box2";
		n = 2; 
   	 }
	 	if (classty=="boxi") { 
	    aclass = "a_box1";
		bclass = "a_box2";
		n = 2; 
   	 }
	 	if (classty=="boxj") { 
	    aclass = "b_box1";
		bclass = "b_box2";
		n = 5; 
   	 }
	 	if (classty=="boxk") { 
	    aclass = "c_box1";
		bclass = "c_box2";
		n = 2; 
   	 }
	 	if (classty=="boxl") { 
	    aclass = "a_box1";
		bclass = "a_box2";
		n = 2; 
   	 }
	 	if (classty=="boxm") { 
	    aclass = "b_box1";
		bclass = "b_box2";
		n = 5; 
   	 }
	 	if (classty=="boxn") { 
	    aclass = "c_box1";
		bclass = "c_box2";
		n = 2; 
   	 }
	 	if (classty=="boxo") { 
	    aclass = "a_box1";
		bclass = "a_box2";
		n = 2; 
   	 }
	 	if (classty=="boxp") { 
	    aclass = "b_box1";
		bclass = "b_box2";
		n = 5; 
   	 }
	 	if (classty=="boxq") { 
	    aclass = "c_box1";
		bclass = "c_box2";
		n = 2; 
   	 }
	 	if (classty=="boxr") { 
	    aclass = "a_box1";
		bclass = "a_box2";
		n = 2; 
   	 }
	 	if (classty=="boxs") { 
	    aclass = "b_box1";
		bclass = "b_box2";
		n = 5; 
   	 }
	 	if (classty=="boxt") { 
	    aclass = "c_box1";
		bclass = "c_box2";
		n = 2; 
   	 }
	 	if (classty=="boxss") { 
	    aclass = "k_box1";
		bclass = "k_box2";
		n = 10; 
   	 }
/*留学滑动代码*/
	 	if (classty=="lxa") { 
	    aclass = "lxaa";
		bclass = "lxab";
		n = 2; 
   	 }
/*课件滑动代码*/
	 	if (classty=="kja") { 
	    aclass = "kjtab_a";
		bclass = "kjtab_b";
		n = 6; 
   	 }
	 	if (classty=="kjb") { 
	    aclass = "kjtab_a";
		bclass = "kjtab_b";
		n = 6; 
   	 }
	 	if (classty=="kjc") { 
	    aclass = "kjtab_a";
		bclass = "kjtab_b";
		n = 6; 
   	 }
	 	if (classty=="zxa") { 
	    aclass = "zxboxa";
		bclass = "zxboxb";
		n = 4; 
   	 }
	 	if (classty=="zxb") { 
	    aclass = "zxboxa";
		bclass = "zxboxb";
		n = 4; 
   	 }
	 	if (classty=="zxbb") { 
	    aclass = "zxboxa1";
		bclass = "zxboxb1";
		n = 4; 
   	 }
	 	if (classty=="zxbc") { 
	    aclass = "zxboxa1";
		bclass = "zxboxb1";
		n = 4; 
   	 }
	 	if (classty=="zxbd") { 
	    aclass = "zxboxa1";
		bclass = "zxboxb1";
		n = 4; 
   	 }
	 	if (classty=="zxbe") { 
	    aclass = "zxboxa1";
		bclass = "zxboxb1";
		n = 4; 
   	 }
	 	if (classty=="lia") { 
	    aclass = "lia";
		bclass = "lib";
		n = 7; 
   	 }
	for(i=1; i <=n; i++)
	{
		if (i==k)
		{
			document.getElementById(tag+i).className=aclass;
			document.getElementById(content+i).className="a_tab_s";
		}else{
			document.getElementById(tag+i).className=bclass;
			document.getElementById(content+i).className="a_tab_h";
		}
	}
}