//第一个select的onchange事件函数

function RefreshSelect(o,n){	
    if(n==2){
	    document.register.elements["s"+(n+1)].innerHTML=""
	    document.register.elements["s"+(n+1)].options[0] = new Option("----------请选择---------","0")
	}
	if(o.options[o.selectedIndex].value=="0"){
	    document.register.elements["s"+n].innerHTML=""
	    document.register.elements["s"+n].options[0] = new Option("----------请选择---------","0")
	}
	else
	{
	   window.frames['hiddenFrame'].location.href = '../inc/sort.aspx?form=register&pid=' + o.options[o.selectedIndex].value+"&n="+n
    }
}

function multiSelect_removeitem(Object){
    var m=document.register;
    if(Object.innerHTML==""){
	    alert("系统提示:还没有选择行业!");
		return;
	};
    if(typeof(Object.options[Object.selectedIndex])=="unknown"){
        alert("系统提示:请选择您想要移除的资料项!");
        Object.focus();
		return;
    }
	
    if(Object.selectedIndex>-1){
		if(m.hyid1.value==Object.options[Object.selectedIndex].value);
		{
			m.hyid1.value=m.hyid2.value;
			m.hyid2.value=m.hyid3.value;
			m.hyid3.value=0;
		}
		if(m.hyid2.value==Object.options[Object.selectedIndex].value)
		{
			m.hyid2.value=m.hyid3.value;
			m.hyid3.value=0;
		}
		if(m.hyid3.value==Object.options[Object.selectedIndex].value)
			m.hyid3.value=0;
        Object.remove(Object.selectedIndex);
    }
}

function getSelected(){
    var shows,s1,s2,s3;
    var m=document.register;
	s1=document.register.elements["s1"];
	s2=document.register.elements["s2"];
	s3=document.register.elements["s3"];
	shows=document.register.elements["shows"];
	if(s1.value=="" || s1.value==0){
	    alert("系统提示:请选择，行业总分类！");
		s1.focus();
		return;
	}else{
	    if(s2.value=="" || s2.value==0){
		     alert("系统提示:请选择，行业子分类！");
		     s2.focus();
			 return;
		}else{
		    if(s3.length==1){
			    if(shows.innerHTML==""){
				    shows.options[0] = new Option(s1.options[s1.selectedIndex].innerHTML+"/"+s2.options[s2.selectedIndex].innerHTML,s2.options[s2.selectedIndex].value)
					m.hyid1.value=s2.options[s2.selectedIndex].value;
				}else{
				    if (shows.length==3){
					    alert("系统提示:您只能选择三个行业！");
					}else{
				        itemvalue=s2.options[s2.selectedIndex].value					
						for(i=0;i<shows.length;i++){
						    if(shows.options[i].value==itemvalue){
							    alert("系统提示:您已经选择了该项!");
								return;
							}
						}
					     shows.options[shows.length] = new Option(s1.options[s1.selectedIndex].innerHTML+"/"+s2.options[s2.selectedIndex].innerHTML,itemvalue);
					     if(m.hyid2.value>0)
								m.hyid3.value=s2.options[s2.selectedIndex].value;
							else
								m.hyid2.value=s2.options[s2.selectedIndex].value;
					}
				}
			}else{
			    if(s3.value=="" || s3.value==0){
				    alert("系统提示:请选择，行业详细分类！");
					s2.focus();
					return;
				}else{
				    if(shows.innerHTML==""){
					    shows.options[0] = new Option(s1.options[s1.selectedIndex].innerHTML+"/"+s2.options[s2.selectedIndex].innerHTML+"/"+s3.options[s3.selectedIndex].innerHTML,s3.options[s3.selectedIndex].value);
					    m.hyid1.value=s3.options[s3.selectedIndex].value;
					}else{
					     if (shows.length==3){
						     alert("系统提示:您只能选择三个行业！");
						}else{
						    itemvalue=s3.options[s3.selectedIndex].value;				
							for(i=0;i<shows.length;i++){
						        if(shows.options[i].value==itemvalue){
							        alert("系统提示:您已经选择了该项!");
								    return;
							     }
						    }
						    shows.options[shows.length] = new Option(s1.options[s1.selectedIndex].innerHTML+"/"+s2.options[s2.selectedIndex].innerHTML+"/"+s3.options[s3.selectedIndex].innerHTML,s3.options[s3.selectedIndex].value);
						    if(m.hyid2.value>0)
								m.hyid3.value=s3.options[s3.selectedIndex].value;
							else
								m.hyid2.value=s3.options[s3.selectedIndex].value;
						}
					}
				}
			}
		}
	}
}