var ndsoftblocks = $.cookie('ndsoftblocks');
blocks=new Array('block1','block2','block3','block4','block5','block6','block7','block8','block9','block10','block11','block12','block13','block14','block15');
if (ndsoftblocks == null) { 
ndsoftblocks="yes-yes-yes-yes-yes-yes-yes-yes-yes-yes-yes-yes-yes-yes-yes"
$.cookie('ndsoftblocks',ndsoftblocks); 
} 
ndsoftblocks=ndsoftblocks.split('-')
for(i=0;i<ndsoftblocks.length;i++){
visible=ndsoftblocks[i];
switch (visible) {
case 'yes':
var blockid=blocks[i];
$("#"+blockid).show()
break;
case 'no':
var blockid=blocks[i];
$("#"+blockid).hide()
break;
}
}
function change_visibly(){
cookie="";
for(i=0;i<blocks.length;i++){
blockid=blocks[i]
if((i+1)==blocks.length){
if($("#"+blockid).is(":visible")) {
result="yes"
}else{
result="no"
}
}else{
if($("#"+blockid).is(":visible")) {
result="yes-"
}else{
result="no-"
}
}
cookie=cookie+result;
}
$.cookie('ndsoftblocks',cookie); 
}