<!-- Begin
//function checkAll(field)
//{
//for (i = 0; i < field.length; i++)
	//field[i].checked = true ;
//}

//function uncheckAll(field)
//{
//for (i = 0; i < field.length; i++)
//	field[i].checked = false ;
//}

 var formblock;
 var forminputs;

 function prepare() {
 formblock= document.getElementById('main_list');
 forminputs = formblock.getElementsByTagName('input');
 }

 function select_all(name, value) {
 for (i = 0; i < forminputs.length; i++) {
 // regex here to check name attribute
 var regex = new RegExp(name, "i");
 if (regex.test(forminputs[i].getAttribute('name'))) {
 if (value == '1') {
 forminputs[i].checked = true;
 } else {
 forminputs[i].checked = false;
 }
 }
 }
 }

 if (window.addEventListener) {
 window.addEventListener("load", prepare, false);
 } else if (window.attachEvent) {
 window.attachEvent("onload", prepare)
 } else if (document.getElementById) {
 window.onload = prepare;
 }


//  End -->