Date.prototype.getCdate=getCdate;

function getCdate(){
        var Year2000=(this.getYear()<100)?this.getYear():this.getYear()-1900;
	return (Year2000-11)+"/"+(this.getMonth()+1)+"/"+(this.getDate())

}

function popDate(obj){

	var features="help=no;status=no;border=thin;dialogWidth=250px;dialogHeight=310px;";
	var result=showModalDialog("calendar.asp","",features);
	if(result){
		var dateObject=new Date(result);
		document.forms[0].elements["show"+obj].value=dateObject.getCdate();
		document.forms[0].elements[obj].value=result;
	}

}

function elseCheck(value,target){
    obj=event.srcElement;
		if (obj.value==value){
		    document.forms[0].elements[target].disabled=false;
			document.forms[0].elements[target].focus();
		}
		else{
		   document.forms[0].elements[target].disabled=true;	
		}
}