[amonrabr]

You cant.. just if you make a script to do it, as

..... "
if(keypressed&&keydown(4)&&keydown(5)){this.mode=1 ;}
if(this.mode==1){/* showimg the image until you press something */ if(keypressed){if (keydown(6)){/* drop it*/} else /* hide the image*/}} "...

You could make a system as.. if you press S+A they are the normal items, but if you press S+D they are yours