Problem in iscape.sh installing cadence in ubuntu 13

Please help i have tried everything but unable to solve the problem shown below!!

Its URGENT!!


rohit@ubuntu:~/Downloads/cadence/iscape/iscape.04.21-p004/bin$ sudo sh iscape.shiscape.sh: 140: iscape.sh: /usr/lib/jvm/java-7-openidk-amd64/bin/java: not found
Initializing InstallScape using JVM at /home/rohit/Downloads/cadence/iscape/iscape.04.21-p004/runtime/LNX86/bin/java. This might take some time...
Exception in thread "main" java.lang.UnsatisfiedLinkError: /home/rohit/Downloads/cadence/iscape/iscape.04.21-p004/runtime/LNX86/lib/i386/xawt/libmawt.so: libXi.so.6: cannot open shared object file: No such file or directory
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.load0(Unknown Source)
at java.lang.System.load(Unknown Source)
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at sun.security.action.LoadLibraryAction.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Toolkit.loadLibraries(Unknown Source)
at java.awt.Toolkit.<clinit>(Unknown Source)
at com.khanpur.installer.gui.InstallerUI.main(InstallerUI.java:107)