var intervalId = null; 
function slideAd(id,nStayTime,sState,nMaxHth,nMinHth){ 
  this.stayTime=nStayTime*3000 || 7000; 
  this.maxHeigth=nMaxHth || 86; 
  this.minHeigth=nMinHth || 1; 
  this.state=sState || "down" ; 
  var obj = document.getElementById(id); 
  if(intervalId != null)window.clearInterval(intervalId); 
  function openBox(){ 
   var h = obj.offsetHeight; 
   obj.style.height = ((this.state == "down") ? (h + 2) : (h - 2))+"px"; 
    if(obj.offsetHeight>this.maxHeigth){ 
    window.clearInterval(intervalId); 
    intervalId=window.setInterval(closeBox,this.stayTime); 
    } 
    if (obj.offsetHeight<this.minHeigth){ 
    window.clearInterval(intervalId); 
    obj.style.display="none"; 
    } 
  } 
  function closeBox(){ 
   slideAd(id,this.stayTime,"up",nMaxHth,nMinHth); 
  } 
  intervalId = window.setInterval(openBox,10); 
} 

function $a(id) { return document.getElementById(id); }

function addLoadEvent(func){
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function(){
			oldonload();
			func();
		}
	}
}

function addBtn() {
	if(!$a('ibanner')||!$a('ibanner_pic')) return;
	var picList = $a('ibanner_pic').getElementsByTagName('a');
	if(picList.length==0) return;
	var btnBox = document.createElement('div');
	btnBox.setAttribute('id','ibanner_btn');
	var SpanBox ='';
	for(var i=1; i<=picList.length; i++ ) {
		var spanList = '<span class="normal">'+i+'</span>';
		SpanBox += spanList;
	}
	btnBox.innerHTML = SpanBox;
	$a('ibanner').appendChild(btnBox);
	$a('ibanner_btn').getElementsByTagName('span')[0].className = 'current';
	for (var m=0; m<picList.length; m++){
		var attributeValue = 'picLi_'+m
		picList[m].setAttribute('id',attributeValue);
	}
}

function moveElement(elementID,final_x,final_y,interval) {
	if (!document.getElementById) return false;
	if (!document.getElementById(elementID)) return false;
	var elem = document.getElementById(elementID);
	if (elem.movement) {
		clearTimeout(elem.movement);
	}
	if (!elem.style.left) {
		elem.style.left = "0px";
	}
	if (!elem.style.top) {
		elem.style.top = "0px";
	}
	var xpos = parseInt(elem.style.left);
	var ypos = parseInt(elem.style.top);
	if (xpos == final_x && ypos == final_y) {
		moveing = false;
		return true;
	}
  if (xpos < final_x) {
    var dist = Math.ceil((final_x - xpos)/10);
    xpos = xpos + dist;
  }
  if (xpos > final_x) {
    var dist = Math.ceil((xpos - final_x)/10);
    xpos = xpos - dist;
  }
  if (ypos < final_y) {
    var dist = Math.ceil((final_y - ypos)/10);
    ypos = ypos + dist;
  }
  if (ypos > final_y) {
    var dist = Math.ceil((ypos - final_y)/10);
    ypos = ypos - dist;
  }
	elem.style.left = xpos + "px";
	elem.style.top = ypos + "px";
	var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
	elem.movement = setTimeout(repeat,interval);
}

function classNormal() {
	var btnList = $a('ibanner_btn').getElementsByTagName('span');
	for (var i=0; i<btnList.length; i++){
		btnList[i].className='normal';
	}
}

function picZ() {
	var picList = $a('ibanner_pic').getElementsByTagName('a');
	for (var i=0; i<picList.length; i++){
		picList[i].style.zIndex='1';
	}
}

var autoKey = false;
function iBanner() {
	if(!$a('ibanner')||!$a('ibanner_pic')||!$a('ibanner_btn')) return;
	$a('ibanner').onmouseover = function(){autoKey = true};
	$a('ibanner').onmouseout = function(){autoKey = false};
	var btnList = $a('ibanner_btn').getElementsByTagName('span');
	var picList = $a('ibanner_pic').getElementsByTagName('a');
	if (picList.length==1) return;
	
	picList[0].style.zIndex='2';
	for (var m=0; m<btnList.length; m++){
		btnList[m].onmouseover = function() {
			for(var n=0; n<btnList.length; n++) {
				if (btnList[n].className == 'current') {
					var currentNum = n;
				}
			}
			classNormal();
			picZ();
			this.className='current';
			picList[currentNum].style.zIndex='2';
			var z = this.childNodes[0].nodeValue-1;
			picList[z].style.zIndex='3';
			$a('fttltxt').innerHTML=picList[z].alt;
			if (currentNum!=z){
				picList[z].style.left='480px';
				moveElement('picLi_'+z,0,0,10);
			}
		}
	}	
}

setInterval('autoBanner()', 5000);
function autoBanner() {
	if(!$a('ibanner')||!$a('ibanner_pic')||!$a('ibanner_btn')||autoKey) return;
	var btnList = $a('ibanner_btn').getElementsByTagName('span');
	var picList = $a('ibanner_pic').getElementsByTagName('a');
	if (picList.length==1) return;
	for(var i=0; i<btnList.length; i++) {
		if (btnList[i].className == 'current') {
			var currentNum = i;
		}
	}
	if (currentNum==(picList.length-1) ){
		classNormal();
		picZ();
		btnList[0].className='current';
		picList[currentNum].style.zIndex='2';
		picList[0].style.zIndex='3';
		picList[0].style.left='480px';
		moveElement('picLi_0',0,0,10);
		$a('fttltxt').innerHTML=picList[0].alt;
	} else {
		classNormal();
		picZ();
		var nextNum = currentNum+1;
		btnList[nextNum].className='current';
		picList[currentNum].style.zIndex='2';
		picList[nextNum].style.zIndex='3';
		picList[nextNum].style.left='480px';
		moveElement('picLi_'+nextNum,0,0,10);
		$a('fttltxt').innerHTML=picList[nextNum].alt;
	}

}

addLoadEvent(addBtn);
addLoadEvent(iBanner);



function FieldSearchForm_onsubmit() 
{
	
	var SQL,pword,kong;
	var sqlword = new Array();
	    SQL=pword=kong=" ";		
	    pword=document.FieldSearchForm.word.value;
		pword = pword.replace(/^\s*/g,"");
		pword = pword.replace(/\s*$a/g,"");
		pword = pword.replace(/\s+/g," "); 
                pword = pword.split( kong );			
                sqlword[0] = pword[0];
	        SQL = sqlword[0];
	for(var j=1;j<pword.length;j++)
	    {
	    sqlword[j] = " and "  + pword[j];
		SQL += sqlword[j];
		
		}
	document.FieldSearchForm.searchword.value=SQL;	
	if(SQL=="")
	{
		alert("¼ìË÷´Ê²»ÄÜΪ¿Õ!");
		return false;
	}
	return true;
}
function ChangeContent(divName,Tip,Num){
	for(var i=1;i<Num+1;i++){

		document.getElementById(divName+"_li_"+i).className="";

		if(document.getElementById(divName+"_Content_"+i) != null)
			document.getElementById(divName+"_Content_"+i).style.display   =   "none";


	}
	document.getElementById(divName+"_li_"+Tip).className="Select";

	if(eval(document.getElementById(divName+"_Content_"+Tip) != null))
		document.getElementById(divName+"_Content_"+Tip).style.display = "";

}