function $(element){
	return document.getElementById(element);
}

function checkClear(th){ 
	if($(th).value == $(th).defaultValue){ 
		$(th).value = ""; 
		$(th).style.color="#000000";
	}
}

function checkClear2(name1, name2){ 
	if($(name1).value == $(name2).value){ 
		$(name1).value = ""; 
		$(name1).style.color="#000000";
	}
} 

function checkBlur(th){ 
	if($(th).value == ""){
		$(th).style.color="#999999";
		$(th).value = $(th).defaultValue;
	}
} 

function checkBlur2(name1, name2){ 
	if($(name1).value == ""){
		$(name1).style.color="#999999";
		$(name1).value = $(name2).value;
	}
}

//提交判断
//提交检验，其中fm为表单name，fid为标签号
function checkRent(fm, fid)
{		
	var ft="t"+fid;

	var ttid="title"+fid;
	var lpid="loupan"+fid;
	var addrid="address"+fid;
	var nfid="nowfloor"+fid;
	var afid="allfloors"+fid;
	var said="storearea"+fid;
	var waid="workarea"+fid;
	var bgid="bgarea"+fid;
	var shid="shi"+fid;
	var cqid="chanquan"+fid;
	var raid="rentall"+fid;
	var areaid="area"+fid;
	var btid="buildtime"+fid;
	
	var ttinfo="ttinfo"+fid;
	var lpinfo="lpinfo"+fid;
	var addrinfo="addrinfo"+fid;
	var floorinfo="floorinfo"+fid;
	var sainfo="sainfo"+fid;
	var wainfo="wainfo"+fid;
	var bginfo="bginfo"+fid;
	var shiinfo="shiinfo"+fid;
	var cqinfo="cqinfo"+fid;
	var rainfo="rainfo"+fid;
	var areainfo="areainfo"+fid;
	var btinfo="btinfo"+fid;
	
	var ttwrong="ttwrong"+fid;
	var lpwrong="lpwrong"+fid;
	var addrwrong="addrwrong"+fid;
	var floorwrong="floorwrong"+fid;
	var sawrong="sawrong"+fid;
	var wawrong="wawrong"+fid;
	var bgwrong="bgwrong"+fid;
	var shiwrong="shiwrong"+fid;
	var cqwrong="cqwrong"+fid;
	var rawrong="rawrong"+fid;
	var areawrong="areawrong"+fid;
	var btwrong="btwrong"+fid;
	
	if($(ttid).value.length < 1){
		$(ttwrong).innerHTML="<img src='images/cha.gif' />";
		$(ttinfo).innerHTML="请正确填写标题";
		var ttright = 0;
	}else{
		var ttright = 1;
	}
	
	if($(lpid).value.length < 1){
		$(lpwrong).innerHTML="<img src='images/cha.gif' />";
		$(lpinfo).innerHTML="请正确填写楼盘";
		var lpright = 0;
	}else{
		var lpright = 1;
	}
	
	if($(addrid).value.length < 1){
		$(addrwrong).innerHTML="<img src='images/cha.gif' />";
		$(addrinfo).innerHTML="请正确填写地址";
		var addright = 0;
	}else{
		var addright = 1;
	}
	
	if($(nfid).value == "" || $(afid).value == "" || parseInt($(nfid).value)>parseInt($(afid).value)){
		$(floorwrong).innerHTML="<img src='images/cha.gif' />";
		$(floorinfo).innerHTML="请正确填写楼层信息";
		var lcright = 0;
	}else{
		var lcright = 1;
	}
	
	if($(said).value == "" || $(said).value == 0){
		$(sawrong).innerHTML="<img src='images/cha.gif' />";
		$(sainfo).innerHTML="请正确填写面积信息";
		var saright = 0;
	}else{
		var saright = 1;
	}
	
	if($(waid).value == "" || $(waid).value == 0){
		$(wawrong).innerHTML="<img src='images/cha.gif' />";
		$(wainfo).innerHTML="请正确填写面积信息";
		var waright = 0;
	}else{
		var waright = 1;
	}
	
	if($(bgid).value == "" || $(bgid).value == 0){
		$(bgwrong).innerHTML="<img src='images/cha.gif' />";
		$(bginfo).innerHTML="请正确填写面积信息";
		var bgright = 0;
	}else{
		var bgright = 1;
	}

	if($(shid).value == 0){
		$(shiwrong).innerHTML="<img src='images/cha.gif' />";
		$(shiinfo).innerHTML="请正确选择户型";
		var hxright = 0;
	}else{
		var hxright = 1;
	}
	
	if($(cqid).value == 0){
		$(cqwrong).innerHTML="<img src='images/cha.gif' />";
		$(cqinfo).innerHTML="请选择产权证信息";
		var cqright = 0;
	}else{
		var cqright = 1;
	}
	
	if($(raid).value == "" || $(raid).value == 0){
		$(rawrong).innerHTML="<img src='images/cha.gif' />";
		$(rainfo).innerHTML="请正确填写价格信息";
		var raright = 0;
	}else{
		var raright = 1;
	}
	
	if($(areaid).value == "" || $(areaid).value == 0){
		$(areawrong).innerHTML="<img src='images/cha.gif' />";
		$(areainfo).innerHTML="请正确填写建筑面积";
		var arearight = 0;
	}else{
		var arearight = 1;
	}
	
	if($(btid).value == 0){
		$(btwrong).innerHTML="<img src='images/cha.gif' />";
		$(btinfo).innerHTML="请选择建筑年代";
		var btright = 0;
	}else{
		var btright = 1;
	}
	
	if(ttright==0 || lpright==0 || addright==0 || lcright==0 || saright==0 || waright==0 || bgright==0 || hxright==0 || cqright==0 || raright==0 || arearight==0 || btright==0){
		window.scrollTo(0,0);
	}else{
		$(fm).submit();
	}
}

//提交判断结束


//即时判断
//即时判断函数checkJishi(mod,minlen,maxlen,fm,bid,eid1,eid2,err);
//其中mod为判断类型：1为判断长度，2为判断空或0，3为判断楼层； minlen为最短长度； maxlen为最长长度； fm为from的id； bid为当前id； err为错误提示信息
function checkJishi(mod,minlen,maxlen,bid,eid1,eid2,err){
	if(mod==1){
		var chd=$(bid).value.length;
		if(chd<minlen || chd>maxlen){
			$(eid1).innerHTML="<img src='images/cha.gif' />";
			$(eid2).innerHTML=err;
		}else{
			$(eid1).innerHTML="";
			$(eid2).innerHTML="";
		}
	}
	
	if(mod==2){
		var val=$(bid).value;
		if(val=="" || val==0){
			$(eid1).innerHTML="<img src='images/cha.gif' />";
			$(eid2).innerHTML=err;
		}else{
			$(eid1).innerHTML="";
			$(eid2).innerHTML="";
		}
	}
	
	if(mod==3){
		if(bid.length==9){
			var nn=bid.substring(8);
			var zf="allfloors" + nn;
			var lc=$(bid).value;
			var zlc=$(zf).value;
			if(lc!="") lc=parseInt(lc);
			if(zlc!="") zlc=parseInt(zlc);
		}else{
			var nn=bid.substring(9);
			var nf="nowfloor" + nn;
			var lc=$(nf).value;
			var zlc=$(bid).value;
			if(lc!="") lc=parseInt(lc);
			if(zlc!="") zlc=parseInt(zlc);
		}
		
		if(lc=="" || zlc=="" || lc>zlc){
			$(eid1).innerHTML="<img src='images/cha.gif' />";
			$(eid2).innerHTML=err;
		}else{
			$(eid1).innerHTML="";
			$(eid2).innerHTML="";
		}
	}

}

//即时判断结束