// JavaScript Document
function setSELECT(obj,val,defaultVal){
		i = 0;
		while(i < obj.options.length){
			if(obj.options[i].value == val){
				obj.options[i].selected = true;
				return;
			}
			i ++;
		}
		i = 0;
		while(i < obj.options.length){
			if(obj.options[i].value == defaultVal){
				obj.options[i].selected = true;
				return;
			}
			i ++;
		}
	}
	function setRadio(obj,val,defaultVal){
		i = 0;
		while(i < obj.length){
			if(obj[i].value == val){
				obj[i].checked = true;
				return
			}
			i ++;
		}
		i = 0;
		while(i < obj.length){
			if(obj[i].value == defaultVal){
				obj[i].checked = true;
				return
			}
			i ++;
		}
	}
	//获取对象坐标
	function getSelectPosition(obj) {
		var objLeft = obj.offsetLeft;
		var objTop = obj.offsetTop;
		var objParent = obj.offsetParent;
		while (objParent.tagName != "BODY") {
			objLeft += objParent.offsetLeft;
			objTop += objParent.offsetTop;
			objParent = objParent.offsetParent;
		}
		return([objLeft,objTop]);
	}
	function showprds(url){
		
		document.getElementById("prds_frame").src=url;
		document.getElementById("prds_div").style.display="block";
		document.getElementById("prds_div").style.top=document.body.scrollTop + 20;

		
	}
	function hideprds(){
		document.getElementById("prds_div").style.display="none";
		document.getElementById("prds_frame").src="";
	}


function caoMove(obj)   //实现层的拖移
{
   if(event.button==1)
   {
     var caoX=obj.clientLeft;
     var caoY=obj.clientTop;
     obj.style.pixelLeft=caoX+(event.x-cao_x);
     obj.style.pixelTop=caoY+(event.y-cao_y);
   }
}