function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function moveRightEdge() {
	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;

	if (isDOM) {
		yMenuFrom   = parseInt (divMenu.style.top, 10);
		// yMenuTo     = (isNS ? window.pageYOffset : document.body.scrollTop) + 100; // 
		yMenuTo     = (isNS ? window.pageYOffset : document.body.scrollTop)+ 130; // 
	}
	timeoutNextCheck = 500;

	if (yMenuFrom != yMenuTo) {
		yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 20);
		if (yMenuTo < yMenuFrom)
			yOffset = -yOffset;
		if (isNS4)
			divMenu.top += yOffset;
		else if (isDOM)
			divMenu.style.top = parseInt (divMenu.style.top, 10) + yOffset;
			timeoutNextCheck = 10;
	}
	setTimeout ('moveRightEdge()', timeoutNextCheck);
}
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  //eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  window.open(selObj.options[selObj.selectedIndex].value,'targ');
  if (restore) selObj.selectedIndex=0;
}
var isDOM = (document.getElementById ? true : false);
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);
var isNS = navigator.appName == "Netscape";

function getRef(id) {
	if (isDOM) return document.getElementById(id);
	if (isIE4) return document.all[id];
	if (isNS4) return document.layers[id];
}

var scrollerHeight = 88;
var puaseBetweenImages = 3000;
var imageIdx = 0;



function startVScroll() {
//    if (isNS4)
//        vSecond.top = scrollerHeight + 5;
//    else
//        vSecond.style.top = scrollerHeight + 5;
   // moveVFirstImage(vFirst);
}

function moveRightEdge() {
	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;

	if (isDOM) {
		yMenuFrom   = parseInt (divMenu.style.top, 10);
		// yMenuTo     = (isNS ? window.pageYOffset : document.body.scrollTop) + 100; // 
		yMenuTo     = (isNS ? window.pageYOffset : document.body.scrollTop)+ 130; // 
	}
	timeoutNextCheck = 500;

	if (yMenuFrom != yMenuTo) {
		yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 20);
		if (yMenuTo < yMenuFrom)
			yOffset = -yOffset;
		if (isNS4)
			divMenu.top += yOffset;
		else if (isDOM)
			divMenu.style.top = parseInt (divMenu.style.top, 10) + yOffset;
			timeoutNextCheck = 10;
	}
	setTimeout ('moveRightEdge()', timeoutNextCheck);
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function ChgCurrency(selectedCurrency){
	var frm = document.forms.search;
	if (frm.intention.options[frm.intention.selectedIndex].value ==2)
	{
		switch(parseInt(selectedCurrency)){
			case 1:
				
				resetSelect(7000,27000,2000,false,frm.price1);
				resetSelect(9000,27000,2000,true,frm.price2);
				break;
			case 2:
				resetSelect(800,3800,300,false,frm.price1);
				resetSelect(1100,3800,300,true,frm.price2);
				
				break;
		}
	}
	else
	{
		switch(parseInt(selectedCurrency)){
			case 1:
				
				resetSelect(1,10,1,false,frm.price1);
				resetSelect(2,10,1,true,frm.price2);
				break;
			case 2:
				resetSelect(0.1,1,0.1,false,frm.price1);
				resetSelect(0.2,1,0.1,true,frm.price2);
				
				break;
		}
	}
}

function ChgIntention(selectedIntention){
	var frm = document.forms.search;
	switch(parseInt(selectedIntention)){
		case 1:
			frm.Involve.disabled = false;
			frm.currency.options[0].text='USD 天/平米';
			frm.currency.options[1].text='RMB 天/平米';
			ChgCurrency(frm.currency.options[frm.currency.selectedIndex].value);
			break;
		case 2:
			frm.Involve.disabled = true;
			frm.currency.options[0].text='USD /平米';
			frm.currency.options[1].text='RMB /平米';
			ChgCurrency(frm.currency.options[frm.currency.selectedIndex].value);
			break;
	}

}

function resetSelect(start, end, step, hasMore, objSelect ){
	objSelect.length = 0; 
	objSelect.options[objSelect.length] = new Option('','');
	for (var i = start; i <= end ; i+=step){
		objSelect.options[objSelect.length] = new Option(i,i);
	}
	if (hasMore) objSelect.options[objSelect.length] = new Option('>' + end,'');	


}