function checkRequired(lFields,id){if(!lFields||lFields.length==0)
return true;if(id){for(var x=0;x<lFields.length;x++){if(lFields[x][0]==id){lFields=[lFields[x]];break;}}}
for(var x=0;x<lFields.length;x++){if(!lFields[x]||!document.getElementById(lFields[x][0]))
continue;var obj=_getById(lFields[x][0]);if((obj.type=='text'||obj.type=='password'||obj.type=='textarea')&&!obj.value.search(/^[\s]*$/gi)){if(lbl_required_field_is_empty!=''){alert(substitute(lbl_required_field_is_empty,'field',lFields[x][1]));}else{alert(lFields[x][1]);}
if(!obj.disabled&&obj.type!='hidden'){checkRequiredShow(obj);obj.focus();}
return false;}}
return true;}
function checkRequiredShow(elm){if(elm.style&&elm.style.display=='none'){if(elm.id=='ship_box'&&document.getElementById('ship2diff')){document.getElementById('ship2diff').checked=true;document.getElementById('ship2diff').onclick();}else
elm.style.display='';}
if(elm.parentNode)
checkRequiredShow(elm.parentNode);}