var Q_drg_drp = { 

/* 
Browser: MSIE7, Firefox3, Safari3, Opera9 
DTD: Quirks, Strict XHTML 1.0, Strict HTML 4.01 
Update: 2008-08-15 
Usage: 
Q_drg_drp.add('id'); 
Q_drg_drp.add('id_1','id_2'); 
*/ 
    ghosts : new Array() 
    ,create : function(idntty_1,idntty_2) { 
        this.idntty_1 = idntty_1; 
        this.idntty_2 = idntty_2; 
        this.objct_1 = null; 
        this.objct_2 = null; 
        this.clntX  = null; 
        this.clntY  = null; 
        this.lft    = null; 
        this.top    = null; 
        this.mousemove = null; 
        this.mouseup  = null; 
        this.mousedown = null; 
        this.start    = null; 
    } 
    ,attach : function(objct,type,fnctn) { 
        if(objct.addEventListener) { objct.addEventListener(type,fnctn,false); return true; } //Mozilla 
        else if(objct.attachEvent) { var rtrn = objct.attachEvent('on'+type,fnctn); return rtrn; } //MSIE 
        else objct.onclick = fnctn; 
    } 
    ,detach : function(objct,type,fnctn) { 
        if(objct.removeEventListener) { objct.removeEventListener(type,fnctn,false); return true; } //Mozilla 
        else if(objct.detachEvent)    { var rtrn = objct.detachEvent('on'+type,fnctn); return rtrn; } //MSIE 
        else objct.onclick = null; 
    } 
    ,add : function(idntty_1,idntty_2) { 
        if(!idntty_2) idntty_2 = idntty_1; 
        var idntty = idntty_1+"_"+idntty_2; 
        var code = ''; 
        code += "Q_drg_drp.ghosts."+idntty+" = new Q_drg_drp.create('"+idntty_1+"','"+idntty_2+"');"; 
        code += "Q_drg_drp.ghosts."+idntty+".mousemove = function(e) {"; 
        code += "    var delta_x = e.clientX-Q_drg_drp.ghosts."+idntty+".clntX;"; 
        code += "    var delta_y = e.clientY-Q_drg_drp.ghosts."+idntty+".clntY;"; 
        code += "    Q_drg_drp.ghosts."+idntty+".objct_2.style.left = Q_drg_drp.ghosts."+idntty+".lft+delta_x +'px';"; 
        code += "    Q_drg_drp.ghosts."+idntty+".objct_2.style.top  = Q_drg_drp.ghosts."+idntty+".top+delta_y +'px';"; 
        code += "};"; 
        code += "Q_drg_drp.ghosts."+idntty+".mouseup = function() {"; 
        code += "    Q_drg_drp.detach(document,'mousemove',Q_drg_drp.ghosts."+idntty+".mousemove);"; 
        code += "    Q_drg_drp.detach(document,'mouseup'  ,Q_drg_drp.ghosts."+idntty+".mouseup);"; 
        code += "};"; 
        code += "Q_drg_drp.ghosts."+idntty+".mousedown = function(e) {"; 
        code += "    Q_drg_drp.ghosts."+idntty+".clntX = e.clientX;"; 
        code += "    Q_drg_drp.ghosts."+idntty+".clntY = e.clientY;"; 
        code += "    Q_drg_drp.ghosts."+idntty+".lft  = parseInt(Q_drg_drp.ghosts."+idntty+".objct_2.style.left);"; 
        code += "    Q_drg_drp.ghosts."+idntty+".top  = parseInt(Q_drg_drp.ghosts."+idntty+".objct_2.style.top);"; 
        code += "    if(e.srcElement) Q_drg_drp.attach(e.srcElement,'dragstart',function() { return false; });"; //MSIE 
        code += "    Q_drg_drp.attach(document,'mousemove',Q_drg_drp.ghosts."+idntty+".mousemove);"; 
        code += "    Q_drg_drp.attach(document,'mouseup'  ,Q_drg_drp.ghosts."+idntty+".mouseup);"; 
        code += "};"; 
        code += "Q_drg_drp.ghosts."+idntty+".start = function() {"; 
        code += "    Q_drg_drp.ghosts."+idntty+".objct_1 = document.getElementById('"+idntty_1+"');"; 
        code += "    Q_drg_drp.ghosts."+idntty+".objct_1.style.cursor = 'move';"; 
        code += "    Q_drg_drp.ghosts."+idntty+".objct_1.onmousedown = function() { return false; };"; //Mozilla 
        code += "    Q_drg_drp.ghosts."+idntty+".objct_2 = document.getElementById('"+idntty_2+"');"; 
        code += "    Q_drg_drp.attach(Q_drg_drp.ghosts."+idntty+".objct_1,'mousedown',Q_drg_drp.ghosts."+idntty+".mousedown);"; 
        code += "};"; 
        code += "Q_drg_drp.attach(window,'load',Q_drg_drp.ghosts."+idntty+".start);"; 
        eval(code); 
    } 
};