// JavaScript Document
pack_flip_it=0;
construct_flip_it=0;
refact_flip_it=0;
display_flip_it=0;
decide=0;

function change_image_pack(decide){
	
if(pack_flip_it==0&&decide==1){
	eval("document.images.pack_arrow.src = 'images/arrowson.gif';")
	pack_flip_it=1;
	}

else if(pack_flip_it==1&&decide==1){
	eval("document.images.pack_arrow.src = 'images/arrows.gif';")
	pack_flip_it=0;
	}

if(decide==0){
	eval("document.images.pack_arrow.src = 'images/arrows.gif';")
	pack_flip_it=0;
	}

}

function change_image_construct(decide){
	
if(construct_flip_it==0&&decide==1){
	eval("document.images.construct_arrow.src = 'images/arrowson.gif';")
	construct_flip_it=1;
	}

else if(construct_flip_it==1&&decide==1){
	eval("document.images.construct_arrow.src = 'images/arrows.gif';")
	construct_flip_it=0;
	}

if(decide==0){
	eval("document.images.construct_arrow.src = 'images/arrows.gif';")
	construct_flip_it=0;
	}

}

function change_image_refact(decide){
	
if(refact_flip_it==0&&decide==1){
	eval("document.images.refact_arrow.src = 'images/arrowson.gif';")
	refact_flip_it=1;
	}

else if(refact_flip_it==1&&decide==1){
	eval("document.images.refact_arrow.src = 'images/arrows.gif';")
	refact_flip_it=0;
	}

if(decide==0){
	eval("document.images.refact_arrow.src = 'images/arrows.gif';")
	refact_flip_it=0;
	}

}

function change_image_display(decide){
	
if(display_flip_it==0&&decide==1){
	eval("document.images.display_arrow.src = 'images/arrowson.gif';")
	display_flip_it=1;
	}

else if(display_flip_it==1&&decide==1){
	eval("document.images.display_arrow.src = 'images/arrows.gif';")
	display_flip_it=0;
	}

if(decide==0){
	eval("document.images.display_arrow.src = 'images/arrows.gif';")
	display_flip_it=0;
	}

}