//------------提示效果---------------
function checktext1(name,n){
	var str = name.value.replace(/(^\s*)|(\s*$)/g, "");
	if(n == 0 && str =="温馨提示：交易还需慎重,请交易的同时做好交易记录(交易图片、交易录像等)作为有效证据，如果出现交易纠纷,请提交相关交易证明,如不能提供交易证明,则行为人独立承担所有责任！"){
		name.value ="";
	 	name.style.cssText = "color:#000";
	}
	if(n == 1){
		if(str == "温馨提示：交易还需慎重,请交易的同时做好交易记录(交易图片、交易录像等)作为有效证据，如果出现交易纠纷,请提交相关交易证明,如不能提供交易证明,则行为人独立承担所有责任！"){
	 		name.value="";
		}
		name.style.cssText = "color:#000";
	}
	if(n == 2 && str == ""){
		name.value = "温馨提示：交易还需慎重,请交易的同时做好交易记录(交易图片、交易录像等)作为有效证据，如果出现交易纠纷,请提交相关交易证明,如不能提供交易证明,则行为人独立承担所有责任！";
	 	name.style.cssText = "color:#aaa";
	}
}
//屏蔽键盘，仅有数字键有用  onkeypress="keyHandle()"
function keyHandle(){     
	if(event.keyCode<48||event.keyCode>57){     
		if(event.keyCode!=46){
	        event.returnValue = false;     
		}
	 } 
}
//单位换算
function exchange_unit(count,unit){
	var x = count , y = unit ; 
	if(count>=10000){
		x = count/10000 ; 
		y = "万"+unit
	}
	if(x>=10000){
		x = x/10000;
		y = "亿"+unit;
	}
	if(x>=10000){
	 	x = x/10000 ;
	 	y = "兆"+unit;
	}
	return { "x":formatDoubleValue(x),"y":y};
}
//判断时候付含有.0的数值
function formatDoubleValue(value){
	var reStr = value ;
	if(value==parseInt(value)){
	 	reStr = parseInt(value);
	}
 	return reStr ;
}
//出售数量显示
function showSmax(){
	var price = $("#sell_price").val();	
	var intemscount = $("#num").val();
	var unit = $("#unit_sell").val();
	var priceunit = "" ;
	if(price>=10000){
   		price = price /10000;
  		priceunit = "万";
  	}
	$("#count").html(exchange_unit(intemscount,unit).x+exchange_unit(intemscount,unit).y);
	$("#goods_instr").val("总"+exchange_unit(intemscount,unit).x+exchange_unit(intemscount,unit).y+"/"+price+"元");
}
//分单出售数量显示
function showSmax_unit(){
	var unit = $("#unit_sell").val();
	var intemscount = $("#unitnum").val();
	$("#numunit").html(exchange_unit(intemscount,unit).x+exchange_unit(intemscount,unit).y);
}
//价格显示
function showprice(){
	var price = $("#sell_price").val();
	var intemscount = $("#num").val();
	var unit = $("#unit_sell").val();
	var priceunit = "" ;
	if(price>=10000){
  		price = price /10000;
 		priceunit = "万";
 	}
	$("#priceunit").html(price+priceunit);
	$("#goods_instr").val("总"+exchange_unit(intemscount,unit).x+exchange_unit(intemscount,unit).y+"/"+price+priceunit+"元");
	$("#instr").val("总"+exchange_unit(intemscount,unit).x+exchange_unit(intemscount,unit).y+"/"+price+priceunit+"元");
}
//分单价格显示
function showprice_unit(){
	var price = $("#sell_price").val();
	var priceunit = "" ;
	if(price>=10000){
  		price = price /10000;
 		priceunit = "万";
 	}
	$("#priceunit").html(price+priceunit);
}
//分单报货量显示
function showSmax_part(){
	var unit = $("#unit_sell").val();
	var unitprice = $("#unitnum").val();
	var intemscount = $("#num").val();
	intemscount = (parseInt(intemscount* unitprice*100+0.5))/100;
	showperdesc(intemscount,unit,"#count")
	$("#goods_instr").val("总"+exchange_unit(intemscount,unit).x+exchange_unit(intemscount,unit).y+"/"+"单");
}
//最少量
function showSmin_part(){
	var minbuy = $("#minnum").val();
	var unitprice = $("#unitnum").val();
	var unit = $("#unit_sell").val();
	minbuy = (parseInt(minbuy*unitprice*100+0.5))/100;
	var intemscount = $("#num").val();
	intemscount = (parseInt(intemscount* unitprice*100+0.5))/100;
	if(minbuy>intemscount){
		$("#minnum").val("");
		minbuy=0;
		alert("最小卖量不能多于货品总量");
	}
	showperdesc(minbuy,unit,"#min");
	$("#goods_instr").val("总"+exchange_unit(intemscount,unit).x+exchange_unit(intemscount,unit).y+"/"+"单"+exchange_unit(minbuy,unit).x+exchange_unit(minbuy,unit).y);	
	$("#instr").val("总"+exchange_unit(intemscount,unit).x+exchange_unit(intemscount,unit).y+"/"+"单"+exchange_unit(minbuy,unit).x+exchange_unit(minbuy,unit).y);	
}
function showperdesc(value,unit,num){
	$(num).html(exchange_unit(value,unit).x+exchange_unit(value,unit).y);
}
function checkprice(){
	var price = document.getElementById("sell_price");
	var zh = /^(([1-9]\d*)|0)(\.\d{1,2})?$/;
	if(!zh.test(price.value)){
		alert("价格只能是数字并且最多输2位小数点");
		return ;
	}
}
//验证图片大小
var FileObj,ImgObj = new Image();
function checkpicSize(field){   
	var filesize = Math.round(ImgObj.fileSize/1024*100)/100;
	if(filesize>200){ //系统给定上传图片大小
 		alert("您选择的图片大小超过了200K,请重新选择输入！");
 		return false; 
	}
 	return true ;
}
function checkpic(obj){
 	if(checkpicSize(obj)) return true ;
 	return false ;
}