function calculateMe(){
					var total=0;
					var i=document.forms[0].elements.length;
					var myEl;
					var myEl2;
					for (j=0; j<i; j++){
						myEl = document.forms[0].elements[j];
						if (myEl.name.substr(0, 4)=="chk_"){
								if (myEl.checked){
									myEl2=document.getElementById("hid_" + myEl.name.substr(4));
									if (myEl2){
											if (myEl2.value>0)
												total+=Number(myEl2.value);
									}
								}
						}
					}
					var spn=document.getElementById("spn_total");
					if (spn)	
						spn.innerText=total;
					var spn2=document.getElementById("spn_total2");
					if (spn2)	
						spn2.innerText=total;
					
			}
			function openDiv(str){
				window.alert(str);
			}