I wanna write some code that will do the following :<BR>When a user load the page,the codes will check if the Acrobat Reader is installad on users computer or not.If its not installed on users computer than it will give an error message like this : "Acrobat Reader 4.0 is not installed on your computer.Do you wanna install it now?" When the user click yes it will start do install the Acrobat Reader to users computer.<BR>How can i do that.The script language is not important (java,VBscript or whatever...).<BR>Thank You for help