function openwin_preview() {
	  window.open("",'preview',"width=600,height=520,toolbar=no,location=no,status=no,directories=no,menubar=no,scrollbars=yes,resizable=yes");
}
function openwin_error() {
	  window.open("",'preview',"width=600,height=520,toolbar=no,location=no,status=no,directories=no,menubar=no,scrollbars=yes,resizable=yes");
}
function openwin_shipping() {
	  window.open("",'shipping',"width=400,height=250,toolbar=no,location=no,status=no,directories=no,menubar=no,scrollbars=yes,resizable=yes");
}
function closewin() {
	  window.close();
}


function openwin_type_cover() {
	  window.open("",'cover',"width=600,height=520,toolbar=no,location=no,status=no,directories=no,menubar=no,scrollbars=yes,resizable=yes,left=300,top=0");
}

function openwin_type_image() {
	  window.open("",'image',"width=600,height=520,toolbar=no,location=no,status=no,directories=no,menubar=no,scrollbars=yes,resizable=yes,left=300,top=0");
}

function treeMenu(tName) {
  tMenu = document.all[tName].style;
  if(tMenu.display == 'none') tMenu.display = "block";
  else tMenu.display = "none";
}
function layout_Menu(tName){
    template = document.all['typewriter_option_menu'].style;
    custom = document.all['typewriter_option_menu_custom'].style;
    if(tName == 1){
        template.display = "none";
        custom.display = "block";
    }else{
        template.display = "block";
        custom.display = "none";       
    }
}

function typeMenu(tName){
    //basic = document.all['basic_type'].style;
    max = 2;
    basic = new Array(max);
    extra = new Array(max);
    for(i=0;i<max;i++){
        basic[i] = document.getElementById('basic_type_'+ i).style;
        extra[i] = document.getElementById('extra_type_'+ i).style;
    }
    if(tName == 'basic'){
        for(i=0;i<max;i++){
            basic[i].display = "block";
            extra[i].display = "none"; 
        }
    }else{
        for(i=0;i<max;i++){
            basic[i].display = "none";
            extra[i].display = "block"; 
        }
    }
}

function resize_textarea(ev){
    var textarea = ev.target || ev.srcElement;
    var lines = textarea.value.split('\n').length + 1;
     textarea.setAttribute("rows", lines);
}