sampl.js

window.onload = function(){
        new JsDatePick({
            useMode:2,			//These are options available for the Date Picker! know more about them on link below!
            target:"date",		//ID of the textbox to which you want to apply the Date Picker
            dateFormat:"%Y-%m-%d",	//Date format: here I gave as YYYY-MM-DD. to change this to DD-MM-YYYY use %d-%m-%Y
            limitToToday:true		//Limit date to the current system date so that user cannot select the future dates
        });
	}