拖拽表格

function MouseDownToResize(obj){

obj.mouseDownX=event.clientX;   
obj.pareneTdW=obj.parentElement.offsetWidth;   
obj.pareneTableW=theObjTable.offsetWidth;   
obj.setCapture();   
}   
function MouseMoveToResize(obj){ 
    if(!obj.mouseDownX) return false;   
    var newWidth=obj.pareneTdW*1+event.clientX*1-obj.mouseDownX;
    var oldWidth=obj.parentElement.width*1;
    var nextWidth = obj.parentElement.width*1;   
    if(newWidth>20)   
    {   
    var theObjTable = document.getElementById("theObjTable");  
    obj.parentElement.style.width = newWidth;
    theObjTable.style.width=obj.pareneTdW*1+event.clientX*1-obj.mouseDownX;   
    }   
}   
function MouseUpToResize(obj){
obj.releaseCapture();   
obj.mouseDownX=0;   
}   
function setTableLayoutToFixed()   
{   
 var theObjTable = document.getElementById("theObjTable");  
 if(theObjTable.style.tableLayout=='fixed') return;
   var headerTr=theObjTable.rows[0];
    for(var i=0;i<headerTr.cells.length;i++)
    {   
    headerTr.cells[i].styleOffsetWidth=headerTr.cells[i].offsetWidth;  
    }   
       
    for(var i=0;i<headerTr.cells.length;i++)   
    {   
    headerTr.cells[i].style.width=headerTr.cells[i].styleOffsetWidth+10;
    }   
    theObjTable.style.tableLayout='fixed';   
}